PRODUCTS FOR UNDERGROUND RESIDENTIAL DISTRIBUTION SYSTEMS

BURNDY® Products Underground

US: 1-800-346-4175 www.burndy.com Canada: 1-800-387-6487

Throughout the catalog you will notice blue highlighted items. These are the most frequently ordered BURNDY® Products.

K-1

PRODUCTS FOR UNDERGROUND RESIDENTIALDISTRIBUTION SYSTEMS

For over 70 years, BURNDY® has pioneeredand produced economical, dependableconnectors and protective devices for urbanunderground distribution systems. Thisextensive experience has been applied to thedevelopment of equipment for low costunderground distribution systems for lightcommercial and residential areas.

Increasing interest by home buyers anddevelopers has created a need for URD com-ponents comparable in cost with those usedin overhead systems.

Using connectors designed for other purpos-es, early URD installations were relativelyexpensive. Recognizing the need to reduce

installation costs BURNDY® developed a lineof connectors specifically for URD.

These products are shown in this section.They are the result of a continuing search fornew materials and more efficient productionmethods to bring down cost to meet therequirements of low cost undergroundconstruction.

Type Y-LOK . . . . . . . . . . . . . . . K-10

HYREDUCER™ SplicesType YRB-U . . . . . . . . . K-11 - K-13

Type YRB-T . . . . . . . . . K-14 - K-15

Service Taps & TransformerTerminalsType K-P-C . . . . . . . . . . . . . . . K-16

Type YPC-C . . . . . . . . . . . . . . . K-16

Types K6B & K33B . . . . . . . . . K-17

Type F-A. . . . . . . . . . . . . . . . . . K-18

Type K6A34U-6N . . . . . . . . . . . K-18

Type K-P-UC . . . . . . . . . . . . . . K-18

Power Distribution BlocksTypes BPD & BPD2 . . . . . . . . . K-19

MOLEs

Type RDMD-28G . . . . . . . . . . . . K-7

Type RDMD-2858D . . . . . . . . . . K-7

Type RDMD-28 CR . . . . . . . . . . K-7

Type RDM-28. . . . . . . . . . . . . . . K-7

Type RDM-28T. . . . . . . . . . . . . . K-8

Tap KitsTypes RYA-UC, RYA-AC, RYA-UCR, RYA-ACRTap Kits . . . . . . . . . . . . . . . . . K-8

Types RA6UC-SL, RA6UCR-SL Tap Kits . . . . . . . K-9

Type YS-CGInsulated Splice Kit . . . . . . . . K-10

TABLE OF CONTENTS

Underground BURNDY® Products

Canada: 1-800-387-6487 www.burndy.com US: 1-800-346-4175


K-2

UNDERGROUND SYSTEM CONNECTIONAND PROTECTION

Nowhere in the distribution of electric powerare the problems of connecting conductorsand protecting them and equipment againstthe effects of fault currents as complex as inunderground systems. For more than 70years, BURNDY® engineers have workedclosely with utilities to develop devices forconnecting and protecting conductors andassociated equipment in underground sys-tems. These devices, with their inherentdependability and economy, have con-tributed to the rapid growth of undergroundsystems throughout the country. To assistutility personnel in more effectively selectingand applying these devices, the engineeringtalent and experience of BURNDY® havebeen pooled to prepare this technical sec-tion, and the catalog information that follows.

The devices are designed for use in bothradial and network type underground sys-tems. Radial systems (Fig. 1) distributepower economically except in high load den-sity areas where a high degree of service reli-ability is required.

Network systems (Fig. 2) have become stan-dard for AC power distribution where loaddensity is high and service continuity mustbe assured under nearly all conditions. Theimproved equipment and methods which aredescribed in this catalog have been designed

to meet these secondary network systemrequirements and to reduce the cost ofinstallation and maintenance.

Early Problems in UndergroundConnectionsDespite the many advantages of under-ground distribution, a major problem wasthat of making connections in congestedmanholes or junction boxes. The necessaryprocedure—soldering conductors, tapingjoints, and wiping lead covered cable—wasso complex, that it demanded considerableskill and was time consuming and costly.This involved procedure had to be repeatedeach time a service was added to a main.When completed, the multiple-branch jointswere excessively bulky and their electricaland mechanical performance suffered fromthe shortcomings of soldered connections.

The installation of underground distributionmade greater strides as those early connec-tion methods gave way to specialized prod-ucts and techniques developed byBURNDY® at the request of, and in close col-laboration with, engineers of leading utilities.These specialized connectors were easierand more economical to install, more com-pact, and more dependable electrically andmechanically.

For installation in conjunction with theseconnectors, BURNDY® also developed prod-ucts to protect the secondary system fromthe effects of fault currents. The continuingimprovement of these products, based onfield experience and laboratory research, iscontributing to even greater dependabilityand economy in underground distribution.

Design Objectives in Connectors forUndergroundWhile each of the principal types of equip-ment described in the following pages hasbeen designed to meet particular servicerequirements, all have several basic objec-tives in common:

Reliability: To minimize outages and theirserious consequences in the high load den-sity areas served by underground systems.

Ease of Installation: Compact for easy instal-lation in the confined space of a manholeand transformer vaults. Mechanical connec-tions that eliminate difficult solder joints.

Economy: By reducing the time and skillrequired for installation of a dependable,insulated compact connection.

Versatility: For permitting easier changes,expansion, and additional services with aminimum of system shutdown.

Figure 1 RADIAL SECONDARY DISTRIBUTION SYSTEM

Figure 2




K-3

The MOLE™ and HYCRAB™The most popular of the engineered connec-tors developed specifically for undergroundmanholes and transformer vaults are theMOLE™ and the HYCRAB™ that provide formultiple connections at a single junctionpoint of main, feeder, and service cables.Pre-insulated to eliminate extensive taping,these connectors are essentially bus barswith several cable outlets: mechanical instal-lation in the MOLE™, and compressioninstallation in the HYCRAB™.

Limiters and FusesTo prevent “roasting” of cable insulation,resulting from fault current, BURNDY® hasdeveloped cable limiters that are inserted ineach secondary cable at all junction points.Network protector fuses have been designedto back up the protector breaker in the eventof a malfunction during a transformer or pri-mary cable fault. By coordinating the time cur-rent characteristics of the fuse with those ofthe cable limiters, the possibility of limiterblowing on primary faults is eliminated, whichin turn reduces the fault finding task. Also, lim-iter, fuse, and cable insulation characteristicsmust be carefully coordinated to assure isolat-ing a fault on the secondary before it cancause extensive damage or interrupt servicein other sections of the secondary system.

High Capacity Limiter 200,000 Amperesat 600 VoltsThe BURNDY® High Capacity Limiter isdesigned to economically protect electricaldistribution systems from the destructiveeffect of high energy faults. The increasingnumber of 600 volt secondary network instal-lations for industrial and commercial applica-tions demand a cable limiter that can safelyinterrupt 200,000 amperes (symmetricalavailable) and one that will also completelycoordinate with the higher voltage neworkprotector fuses.

Available fault currents as high as 200,000amperes rms at 600 volts across the fusibleelements have been interrupted during testson the BURNDY® High Capacity Limiter.The power factor during these tests wasless than 15%, thereby imposing the mostdifficult clearing conditions. No external dis-trubance is experienced upon clearing faultcurrents from the “float” value to 200,000amperes. The quartz filler absorbs theintense energy generated by interruptingthe fault current. The quartz fuses into tubu-lar fulgurites, with a high dielectric strength,and forms an insulating barrier between themelted link sections. This action preventsrestrike of the internal arc. The rugged glassmelamine housing provides a vessel thatcompletely contains the developed energy.

The carefully developed time-current charac-teristics and rigid manufacturing tolerancesassure proper coordination with the networkprotector fuses and the insulation damagecharacteristics of 4/0, 250, 350, 500 and 750kcmil cable.

The High Capacity Limiter is available in fourvariations to accommodate a variety ofinstallation practices. The Type HYS hascable sockets at both ends, which allow forindenting to the cable ends with a hydraulicBURNDY® HYPRESS™. The HYAO has anoffset lug on one end which permits back-to-back mounting on bus bar.

For those installations where BURNDY®

MOLEs™ are used for manhole junctions ortransformer vault buses, the Type HYM per-mits a replaceable connection of the limiterdirectly to the MOLE outlet at one end anda compression cable connection at theother.

Modern electrical distribution systemsrequire low cost protection to safeguardcostly equipment and quickly isolate faults,so that the undamaged portions of the sys-tem may function normally. BURNDY® HighCapacity Limiters assure positive, economi-cal protection when installed in properlydesigned systems.

Compression ConnectorsBURNDY® HYDENT™ compression typeconnectors, and installation tools, have beendesigned for splicing and terminating copperas well as aluminum underground cables, inboth primary and secondary circuits.BURNDY® tools and dies are customdesigned to produce sound electrical, andmechanical joints on BURNDY® connectors.The use of BURNDY’s matched tools andconnectors assures optimum results.

Residential UndergroundThe trend toward improvement in neighbor-hood appearances, and the elimination ofstorm outages, tree trimming, etc., has creat-ed the need for residential undergrounddistribution. To meet these needs, BURNDY®

offers: Mechanical type pre-insulated multi-conductor terminal connectors for sub-mersible transformer locations; and compactmulticonductor connectors for above groundtransformer and enclosures. For servicetaps, BURNDY® offers: Pre-insulated, multi-conductor compression and mechanicalconnectors; and a range taking compressionconnector for below grade service. Powerpedestals for direct burial, above groundapplication, and conduit systems are offered.Residential Underground Fuse Block assem-bly with replaceable fuse for each servicecable is also available.

TYPES OF BURNDY® UNDERGROUND CONNECTORSAND ACCESSORIES




K-4Connectors for AluminumFor systems where aluminum is used, con-nectors especially designed for aluminumconductors are available in bolted and com-pression types: HYCRAB™, HYPLUG™,HYREDUCER™, and HYSOCKET. Aluminumconductors can be connected to standardMOLE™ connectors by using HYPLUG™adapters.

Multiple Outlet ConnectorsThe increasing use in modern electrical dis-tribution systems of junction points whereseveral relatively large cables must be con-nected, has brought about the developmentof BURNDY® MOLE™ line equipment tospeed up and simplify the making of suchconnections. The modern tendency towardnetwork systems not only in undergroundutility practice but also in industrial wiring,has greatly increased the number of multi-connection joints.

The BURNDY® MOLE™ and HYCRAB™connectors are insulated bus bars with mul-tiple connector outlets for service cables,

secondary mains, or equipment leads. In theMOLE™, clamping action secures conduc-tors to the connector; in the HYCRAB™,connections are made by indenting with acompression tool. Both lines of insulatedconnectors offer the following basic advan-tages:

1. Ease and Economy of Installations: Theease and reduction of time required to makeand insulate dependable multi-connectionsgreatly reduces the cost of installation. Thecompact design makes maximum use ofspace and provides for simplified racking.

2. Versatility for System Modification: TheMOLE™ and HYCRAB™ are designed toaccommodate the standard secondary mainand service cables, and permit easy modifi-cation or later additions. The numerous avail-able connector configurations permit a widevariety of arrangements of cables and equip-ment connections. The 600 volt rating of theMOLE™ and HYCRAB™ insulation providesfor efficient operation at all standard utiliza-tion voltages.

3. Efficient, Dependable Performance: TheMOLE™ and HYCRAB™ connectors assurepermanent, high conductivity connections,good moisture seal, and insulation thatresists the severest condition encountered inunderground installations.

MOLE™ and HYCRAB™ InsulationThe location in vaults and manholes oftenexposes these connectors to immersion inwater, chemical, and other contaminants, aswell as to heat from overload or fault cur-rents. The MOLE™ and HYCRAB™ insula-tions provide electrical, mechanical, andthermal properties essential to assure theservice continuity of underground distribu-tion systems.

Recognizing the importance of properconnector insulation, BURNDY® establishedperformance specifications exceeding thoseof 600 volt cable insulation.

MULTIPLE OUTLET CONNECTORS




K-5

MOLE™ and MOLE™ AccessoriesThe BURNDY® MOLE™ is a multi-cableconnector that consists of a pre-insulatedcopper bus bar with threaded outlets thatpermit a minimum of two cables to be con-nected by means of a socket, nut, and coneassembly (Illustration A). The clamping actionof the socket, nut and cone assembly on thecable develops high contact pressures thatmaintain joint conductivities greater than100% of the continuous conductor. A com-pression socket that is threaded into theMOLE™ insert is also available. The MOLE™design affords exceptional versatility in fourways:

1. MOLE™ outlets can be plugged-off untilneeded for the addition of cables.

2. Installed cables can be easily removed.

3. Cable sizes can be increased by chang-ing the socket, nut and cone assembly.

4. The number of outlets may be increasedby joining MOLE™ connectors with aMOLE™ coupler.

InsulationThe copper bus bar insert is encased in amolded insulating jacket that eliminatescrotch taping. The thickness of the jacketprevents any possibility of the insert weightto cause the insulation at the supports toflow away at the high temperatures of faultconditions.

RatingsMOLE™ connectors are rated at 1500, 2000,2500, and 3000 amperes, based on the max-imum current the insert cross-section cancarry. Each outlet can carry the full ratedcurrent of the cable connected to it.

To avoid exceeding the insert rating, thecables should be arranged in such a mannerthat most current flows directly across theinsert. (See Illustration B)

InstallationCables are connected to the MOLE™ bymeans of a socket, nut and compressioncone assembly. The socket is threaded intothe MOLE™ insert. The stripped cable end isinserted into nut and compression cone, andthen into the socket where it is securelyclamped by tightening the nut. The joint isthen sealed watertight in one of three ways:

• Taping;

• MOLE™ Outlet Insulating Sleeves,sealed with a minimum of taping;

• or NOTAPE™ MOLE™ Sleeve, sealed tothe cable and mole insulation by twonon-corrosive hose clamps.

Tests under flooding and other adverseconditions demonstrate that such joints areimpervious to water.

Illustration B

Illustration A

AccessoriesA socket, cone and nut assembly is screwedinto each MOLE™ outlet to which a cable isto be connected. The socket has a taperedrecess into which the clamping nut forces thecable and the compression cone. The coneis slotted to controlled widths and depths formaximum flexibility, and its inside surface isserrated for low contact resistance and highpullout strength.

A compression socket is available thatthreads directly into the MOLE™ outlet andprovides a compression sleeve for connect-ing the cable with HYPRESS™ tools.

Plugs seal MOLE™ outlets not in use. TheMOLE™ is delivered with one-fourth of itsoutlets sealed with plugs. Additional plugsmay be ordered.

MOLE™ couplers facilitate system expan-sion by joining additional MOLE™ con-nectors to those already installed. Couplersare easily installed in end or side outlets ofthe MOLE™, and make connections that areeffective both electrically and mechanically.

MULTIPLE OUTLET CONNECTORS (Continued)




K-6

MULTIPLE OUTLET CONNECTORS (Continued)

For details on Underground Network Products see Catalog UPC-08.




K-7

TYPE RDMD-28G

URDSTUD MOLE™

The RDMD-28G Stud MOLE™ is a sub-mersible junction designed to accommodatea range of copper and aluminum conductors.The Stud MOLE™ is designed for use ontransformers where a dead front secondaryis required. It is insulated with molded EPTrubber. Mates with a 5/8�-11 copper stud. Ajam nut is supplied with the MOLE™ tosecure and lock it to the stud.

TYPE RDMD-2858D

STUD MOLE™

The RDMD-2858D Stud MOLE™ is identicalto the insulated RDMD-28G except anadapter is supplied, allowing MOLE™ to beremoved from transformer stud without dis-connecting the individual services.

It is available with either four or six outlets. Alloutlets except one have factory installedremovable sealing caps. Tap kits are orderedseparately. REA listed.

Also available without insulation and sealingcaps.

TYPE RDMD-28CR

RUBBER INSULATING BOOT

The EPDM rubber force fit boot is designedto provide a completely dead-front and mois-ture tight installation when used with eitherthe Type RDMD-28G3 or Type RDMD-2858DStud MOLE™. Bushing end will seal anydiameter from .875 to 1.125 inch.

TYPE RDM-28

URD MOLE™

FOR ALUMINUM OR COPPER

Type RDM-28 MOLE™ is an economical,insulated, submersible service junction suit-able for direct burial or for use in enclosures.Disconnectable joints allow additions of newservices without disturbing previous installa-tions. Taping is eliminated, heat-shrink orforce-fit rubber sleeves insulate each joint.Rubber is used to insulate the MOLE™ body.Removable sealing covers are supplied on all

Catalog Number ofNumber Outlets InsulatedRDMD4-28G3 4 YesRDMD6-28G3 6 Yes

Catalog Number ofNumber Outlets InsulatedRDMD4-2858D 4 YesRDMD6-2858D 6 Yes

Number ofCatalog Number Outlets

RDM4-28 4RDM6-28 6RDM8-28 8

outlets but two. REA listed Tap Kits, includ-ing HYLUG™, hardware and sleeve areordered separately.




K-8

TYPE RDM-28T

URD MOLE™

FOR ALUMINUM AND COPPER

The RDM-28T MOLE™ is available with fiveor seven outlets. The single hole outlets arethe same size as the RDM-28 series andaccommodate the same RYA-UC or RYA-UCR tap kits. The larger two-hole outletaccommodates the 500 or 350 kcmil coppercable secondary supplied with many sub-surface transformers. These cables areextended to a junction point where secondarymains or services are connected. Tin-platedcopper RYA-C-2 tap kits are used to join the500 or 350 kcmil copper secondaries to the RDM-28T MOLE™.

TYPES RYA-UC, RYA-AC

MOLE™ TAP KITS

FOR ALUMINUM OR COPPERFOR USE WITH TYPE RDM-28URD MOLE™

The kit consists of: Universal HYLUG™,mounting hardware and heat-shrink sleeve.The HYLUG™ is pre-filled with PENETROX™joint compound and sealed. Installed withcommon installation tools, three die setsinstall a range of 4 str.- 350 kcmil. The heat-shrink sleeve is lined with a mastic material,providing a positive seal. Installed with stan-dard propane torch, or 500°F electric heatgun. Acetylene heat is too intense and is not recommended.

TYPES RYA-UCR,RYA-ACRThe kit consists of: Universal HYLUG™,mounting hardware and pre-lubricated force-fit rubber sleeve. The HYLUG™ is pre-filledwith PENETROX™ joint compound andsealed. Installed with common installationtools, three die sets install a range of 4 str.-350MCM. The rubber sleeve has internalsealing rings that provide a positive moistureseal by exerting circumferential force oncable and MOLE™ insulation. Pre-lubricatingsleeve makes installation easier. REA listed.No trimming required.

* Overlap Crimps.** Do not use EEI Die. (11A) to install 4/0 Sol. EC-O.NOTE: Standard mounting hardware is 3/8" button head

socket cap screw with captive conical washer. ForHEX HEAD bolt with captive conical washer add“HEX” suffix.

TYPE RYA-UC, RYA-AC TYPE RYA-UCR, RYA-ACR

* Y35 U-Dies with adapter PT6515 can also be used in Y45series HYPRESSES™. Same number of crimps as Y35.

NOTE: Example: RYA4UCR-HEX. For HEX HEAD bolt andcaptive flat washer add suffix “HEX1”. For HEX HEADbolt and non-captive flat washer add suffix “HEX2”.For HEX HEAD bolt and non-captive conical washeradd suffix “HEX3”. For Stainless Steel HEX HEADbolt add “HEX355” suffix.

Catalog Number of OutletsNumber 12 Sol. - 350 350 - 500RDM5-28T 4 1RDM7-28T 6 1

Copper Catalog Number Tools, Die Set, Catalog No. & (No. of Crimps)Conductor Heat Shrink Force Fit DIE INDEX Y34A Y35* Series Y750, 739

350 RYA31C-2 RYA31CR-2500 RYA34C-2 RYA34CR-2

20 A34R (4) U34RT (4)

Tools, Die Set Catalog Number,Catalog Number & (Number of Crimps)

Heat Shrink Force Fit Y39,Conductor Complete Shrink Complete EEI Die Die MD6 Y35, Y750

Copper Aluminum Set Sleeve Only Set Index Index Series Series OUR8402 Sol. - 4 Str.2 Sol. - 4 Str.4 Str. Comp.

RYA4UC RYA4UCR

2 Str. - 1/0 Sol.BG or W-BG (1) U-BG (1)

XBG (3)2 Str. - 1/0 Sol.2-1 Str. Comp.

RYA2UC RYA2UCR 8A 5/8 - 1 BG3 UK58-IT (3)XNBG (2)

1/0 Str. - 2/0 Sol.RYAC25 or 243 or W243 U243 (1)

1/0 Str.1/0 Str. Comp.

RYA25UC RYA25UCR

2 Sol. EC-O RYA2WAC RYA2WACR BG (5) BG (5) — XBG (5)1/0 Sol. EC-O RYA75AC RYA75ACR — — UK58-IT (5) XNBG (3)

2/0 Str. 249 or W249 (3) U249 (2)* X249 (6)2/0 Str.2/0 Str. Comp.

RYA26UC RYA26UCR840 WK840 (5) UK840T (3) X840 (5)

3/0 Str.3/0 Str. 3/0 Str. Comp. RYA27UC RYA27UCR

**249

4/0 Sol. EC-O**11

orW249 (4) U249 (2) X249 (8)

4/0 Str. RYAC31 840WK840 (7) UK840T (4) X840 (7)

4/0 Str.4/0 Str. - 250 Comp.

RYA28UC RYA28UCR

250250 MCM250 Comp.

RYA29UC RYA29UCR 299 or U31ART (2)

300 - 35013A 655 or U655 (3)

—300 - 350 Comp.

RYA31AC RYA31ACR 705 U705 (2)




K-9

TYPES RA6UC-SL,RA6UCR-SL

URD STREET LIGHTING TAP KIT


URD tap kit for making street lighting tapsfrom URD MOLE™ types RDM-28 and RDM-28T. Each kit accommodates 6 str. - 12 sol.Kits include connector, mounting hardwareand insulating sleeve.

Cat. No. RA6UC-SL Cat. No. RA6URC-SL

Catalog NumberConductor Heat Shrink Force Fit6 Str. - 12 Sol. RA6UC-SL RA6UCR-SL




K-10

TYPE YS-CG

URD INSULATED SPLICE KIT

FOR ALL ALUMINUM OR COPPER/ALUMINUMCOMBINATIONS

Type YS-CG URD insulated splice kit con-sists of a standard YSU or YSD LINKIT™ anda heat-shrink sleeve. Used to splice URDsecondary lines up to 600 volts. It is installedwith common installation tools. Heat-shrinksleeve is installed with standard propanetorch, or 500° F electric heat gun. Acetyleneis not recommended.

Y-LOK FOR LOCKINGENCLOSURESAssembly consists of aluminum-clad steelwire loop and a compression type aluminumconnector. Installed with BG groove of MD6or OUR840 Compression Tools. Can also beinstalled with 5/8 or 5/8-1 grooves.

* Use to join copper to aluminum or ACSR, not copper tocopper.

** Multiple crimp die set, makes more than one crimp percompression.

J1592J1207

Compression Y-LOK installed with BG or 5/8 groove

Conductor Catalog Number Tools, Die Set Catalog No., & (No. of Crimps)Both Sides Complete Heat Shrink Die MD6

Aluminum ACSR Copper* Splice Kit Sleeve Index Series Y34A Y35 Series1-2 Str. 2 (6-1, 7-1) 1-2 Str. YS2UCGI BG (3)1/0 Str. RYAC25

BGW-BG (1)**

— U-BG (1)**

1/0 Comp.1/0 (6-1) 1/0 Str. YS25UCGI 243

W243 (2)A243 (1) U243 (1)

2/0 Str.2/0 Comp.

2/0 (6-1) 2/0 Str. YS26UCGI

3/0 Str. W249 (4) A249 (2) U249 (2)3/0 Comp.

3/0 (6-1) 3/0 Str. YS27UCGI RYAC31-1 249/840W-K840 (7) — U-K840T (4)

4/0 Str.4/0 Comp.

4/0 (6-1) 4/0 Str. YS28UCGI

350 U299 (2)350 Comp.

— 350 YS31ACGI RYAC31 299/705 — —U705 (1)

InstallationTooling

Catalog D1D6, Y35, Y750,Number OUR840 Y46 L C DJ1207 WBG 2.28 .75 1.00J1592 XBG

UBG2.31 .75 .75




K-11

TYPE YRB-U

HYREDUCER™ SPLICE

FOR ALUMINUM-TO-ALUMINUMAND ALUMINUM-TO-COPPER

Type YRB-U splice is designed for use withinunderground systems. Aluminum splices aretin-plated and recommended for use onAluminum-to-Aluminum and Aluminum-to-Copper cables. All splices have solid centerstop for use with oil filled and non-oil filledcables. The Outside Diameter is heldconstant to minimize installation dies andconnectors are prefilled with PENETROX™.Rated up to 35 kV.

Conductor Range Dimensions Wire Strip LengthCatalog Barrel “A” Barrel “B” B Barrel Barrel Die ColorNumber Copper & Aluminum Copper & Aluminum Min. L O.D. “A” “B” Number CodeYRB2U3TTN #2 (.292 Dia.) 7 Str. #3 (.260 Dia.) 7 Str.

#1 (.332 Dia.) 19 Str. orYRB1CU2TTN

1/0 CMPCT (.336 Dia.) 19 Str.#2 (.292 Dia.) 7 Str.

#1 (.332 Dia.) 19 Str. or #1 (.332 Dia.) 19 Str. orYRB1CU1TTN

1/0 CMPCT (.336 Dia.) 19 Str. 1/0 CMPCT (.336 Dia.) 19 Str.1/0 (.373 Dia.) 19 Str. or

1.35 3.25 .651-3/4� 1-3/4� 296 Tan

YRB25U3TTN1/0 CMPCT (.336 Dia.) 19 Str.

#3 (.260 Dia.) 7 Str. [34] [83] [17]

1/0 (.373 Dia.) 19 Str. orYRB25U2TTN


1/0 (.373 Dia.) 19 Str. or 1/0 (.373 Dia.) 19 Str. orYRB25U25TTN

1/0 CMPCT (.336 Dia.) 19 Str. 1/0 CMPCT (.336 Dia.) 19 Str.3/0 (.470 Dia.) 19 Str. or 1/0 (.373 Dia.) 19 Str. or

YRB27U25TW3/0 CMPCT (.423 Dia.) 19 Str. 1/0 CMPCT (.336 Dia.) 19 Str.

4/0 (.528 Dia.) 19 Str. or 1.53 3.69YRB28U3TW


[39] [94]4/0 (.528 Dia.) 19 Str. or #1 (.332 Dia.) 19 Str. or

YRB28U1TW4/0 CMPCT (.475 Dia.) 19 Str. 1/0 CMPCT (.299 Dia.) 7 Str. .85

4/0 (.528 Dia.) 19 Str. or 1/0 (.373 Dia.) 19 Str. or 1.53 3.70 [22]1-1/2� 1-1/2� 298 White

YRB28U25TW4/0 CMPCT (.475 Dia.) 19 Str. 1/0 CMPCT (.336 Dia.) 19 Str. [39] [94]

4/0 (.528 Dia.) 19 Str. or 2/0 (.419 Dia.) 19 Str. orYRB28U26TW

4/0 CMPCT (.475 Dia.) 19 Str. 2/0 CMPCT (.376 Dia.) 19 Str. 1.53 3.694/0 (.528 Dia.) 19 Str. or 4/0 (.528 Dia.) 19 Str. or [39] [94]

YRB28U28TW4/0 CMPCT (.475 Dia.) 19 Str. 4/0 CMPCT (.475 Dia.) 19 Str.

350 kcmil (.681 Dia.) 37 Str. orYRB31U25TW 350 kcmil CMPCT (.616 Dia.) 19 Str. AL;

1/0 (.373 Dia.) 19 Str. or

37 Str. AL & CU1/0 CMPCT (.336 Dia.) 19 Str.

350 kcmil (.681 Dia.) 37 Str. orYRB31U28TW 350 kcmil (.616 Dia.) 19 Str. AL;

4/0 (.528 Dia.) 19 Str. or 2.34 5.43 1.112-1/4� 2-1/4� 299 Brown

37 Str. AL & CU250 kcmil CMPCT (.520 Dia.) 37 Str. [59] [138] [28]

350 kcmil (.681 Dia.) 37 Str. or 350 kcmil (.681 Dia.) 37 Str. orYRB31U31TW 350 kcmil CMPCT (.616 Dia.) 19 Str. AL; 350 kcmil CMPCT (.616 Dia.) 19 Str. AL;

37 Str. AL & CU 37 Str. AL & CU

1 Material: Aluminum.2 Finish: Electro-tin plated.➂ Barrels are partially filled with PENETROX™ and sealed.4 Scratch brushing of all conductors before making

installation is recommended.5 Not for use with Copper-to-Copper applications.6 Dimensions in brackets [ ] are in millimeters rounded off

to the nearest millimeter, unless otherwise noted, and arefor reference only.

➆Catalog number PT6515 Adaptor is required to use “U”dies in Y45 series tools.

⑧Catalog number PUADP-1 Adaptor is required to use “U”dies in Y46 series tools.

9 On MY29-3 HYTOOL™ use alum. Index plate settings asfollows, for 1/0 conductor use 1/0 setting. For conductorsmaller than 1/0 size use 2/0 setting.




K-12

TYPE YRB-U

HYREDUCER™ SPLICE(Continued)


Conductor Range Dimensions Wire Strip LengthCatalog Barrel “A” Barrel “B” B Barrel Barrel Die ColorNumber Copper & Aluminum Copper & Aluminum Min. L O.D. “A” “B” Number Code

500 kcmil (.813 Dia.) 37 Str. orYRB34U25TW 500 kcmil CMPCT (.736 Dia.) 19 Str. AL; 1/0 (.373 Dia.) 19 Str.

37 Str. AL & CU500 kcmil (.813 Dia.) 37 Str. or

YRB34U28TW 500 kcmil CMPCT (.736 Dia.) 19 Str. AL;4/0 (.528 Dia.) 19 Str. or

37 Str. AL & CU4/0 CMPCT (.475 Dia.) 19 Str.

500 kcmil (.813 Dia.) 37 Str. orYRB34U29TW 500 kcmil CMPCT (.736 Dia.) 19 Str. AL; 250 kcmil (.575 Dia.) 37 Str.

37 Str. AL & CU 2.70 6.00 1.31500 kcmil (.813 Dia.) 37 Str. or [69] [152] [33]

1-1/8� 1-1/8� 300 Pink

YRB34U30TW 500 kcmil CMPCT (.736 Dia.) 19 Str. AL; 300 kcmil (.630 Dia.) 37 Str.37 Str. AL & CU

500 kcmil (.813 Dia.) 37 Str. or 350 kcmil (.681 Dia.) 37 Str.YRB34U31TW 500 kcmil CMPCT (.736 Dia.) 19 Str. AL; 350 kcmil CMPCT (.616 Dia.) 19 Str. AL;

37 Str. AL & CU 37 Str. AL & CU500 kcmil (.813 Dia.) 37 Str. or 500 kcmil (.813 Dia.) 37 Str. or

YRB34U34TW 500 kcmil CMPCT (.736 Dia.) 19 Str. AL; 500 kcmil CMPCT (.736 Dia.) 19 Str. AL;37 Str. AL & CU 37 Str. AL & CU

350 kcmil (.681 Dia.) 37 Str. orYRB39U31TW

750 kcmil (.998 Dia.) 61 Str. or350 kcmil CMPCT (.616 Dia.) 19 Str. AL;

750 kcmil CMPCT (.908 Dia.) 61 Str.37 Str. AL & CU

500 kcmil (.813 Dia.) 37 Str. orYRB39U34TW

750 kcmil (.998 Dia.) 61 Str. or500 kcmil CMPCT (.736 Dia.) 19 Str. AL;

750 kcmil CMPCT (.908 Dia.) 61 Str.37 Str. AL & CU

750 kcmil (.998 Dia.) 61 Str. or 750 kcmil (.998 Dia.) 61 Str. orYRB39U39TW

750 kcmil CMPCT (.908 Dia.) 61 Str. 750 kcmil CMPCT (.908 Dia.) 61 Str.350 kcmil (.681 Dia.) 37 Str. or

2.87 6.74 1.463� 3-11/16� 936 Yellow

YRB44U31TW 1000 kcmil (1.152 Dia.) 61 Str. 350 kcmil CMPCT (.616 Dia.) 19 Str. AL;[73] [171] [37]

37 Str. AL & CU500 kcmil (.813 Dia.) 37 Str. or

YRB44U34TW 1000 kcmil (1.152 Dia.) 61 Str. 500 kcmil CMPCT (.736 Dia.) 19 Str. AL;37 Str. AL & CU

750 kcmil (.998 Dia.) 61 Str. orYRB44U39TW 1000 kcmil (1.152 Dia.) 61 Str.

750 kcmil CMPCT (.908 Dia.) 61 Str.YRB44U44TW 1000 kcmil (1.152 Dia.) 61 Str. 1000 kcmil (1.152 Dia.) 61 Str.

1 Material: Aluminum.2 Finish: Electro-tin plated.➂ Barrels are partially filled with PENETROX™ and sealed.4 Scratch brushing of all conductors before making

installation is recommended.5 Not for use with Copper-to-Copper applications.6 Dimensions in brackets [ ] are in millimeters rounded off








K-13

TYPE YRB-U



1 Material: Aluminum.2 Finish: Electro-tin plated.➂Barrels are partially filled with PENETROX™ and sealed.4 Scratch brushing of all conductors before making

installation is recommended.➄Not for use with Copper-to-Copper applications.6 Dimensions in brackets [ ] are in millimeters rounded off


Installation (Number of Crimps per End)➄ Dieless

(# of Crimps)Mechanical:MY29-3 (1)

Mechanical Ratchet Hydraulic MY29-11 (1)Y35, Y39, Y750 Hydraulic:

Color Die BAT35, Y644M (1)Code Index OUR840 MD6, MD7 BAT750, PAT750 ➇ Y46 ➆ Y45 Y48B Y60BHU PAT644-18V (1)

MY29-3 (1)Tan 296 — — U25ART (1) U25ART (1) U25ART (1) C25AR (1) —

MY29-11 (1)Y644M (1)

White 298 — — U28ART (2) U28ART (2) U28ART (2) C28AR (2) —PAT644-18V (1)

U31ART U31ART U31ARTBrown 299 — — Overlap Overlap Overlap C31AR (1) L31ART (1)

Crimp Crimp Crimp Y644M (1)U34ART U34ART U34ART PAT644-18V (1)

Pink 300 — — Overlap Overlap Overlap C34AR (1) L34ARTCrimp Crimp Crimp

Yellow 936 — — U39ART-2 (4) U39ART-2 (4) U39ART-2 (4) C39AR (2) L39ART (2) —







K-14

TYPE YRB-T

HYREDUCER™ SPLICE

FOR COPPER-TO-COPPER

Type YRB-T splice is designed for use withinunderground systems. Copper splices aretapered and recommended for use oncopper-to-copper cables.

All splices have solid center stops for usewith oil filled and non-oil filled cables.

The Outside Diameter is held constant tominimize installation dies. Rated up to 35 kV.

Fig. 1

Fig. 2 Fig. 3

Conductor Size DimensionsCatalog ➁ B BBNumber ➆ Figure No. Barrel “A” Barrel “B” Min. Min. L O.D.

1.16 1.16 2.84 .69YRB2825T 2 4/0 (.528) 1/0 (.372)

[29] [29] [73] [18]1.73 1.73 4.50 1.06

YRB3428T 3 500 kcmil (.813) 4/0 (.528)[44] [44] [114] [27]

1 Material: Copper.➁For Tin-Plating, add suffix “TN” to the Catalog Number

(ex.: YRB2825TN). For Hot Tin dipped add suffix “W” to thecatalog number (ex.: YRB2825TW).

➂Catalog Number PT6515 Adaptor is required to use “U”dies in Y45 series tools.

➃Catalog Number PUADP-1 is required to use “U” dies inY46 series tools.

5 Dimensions in brackets [ ] are in millimeters rounded offto the nearest millimeter, unless otherwise specified, andare for reference only.

➅For use by customers that have this HYPRESS™. No newY34 HYPRESS™ tools are being processed.

➆Suffix “TN” and “W” will not be stamped on part.




K-15

TYPE YRB-T


FOR COPPER-TO-COPPER

Fig. 1

Fig. 2 Fig. 3

Installation Tooling (Number of Crimps)Die Mechanical Hydraulic

Information Y35, Y39, Y750, WireCatalog ➁ Color Die MD7 BAT35, BAT750, BCT500, Dieless StripNumber ➆ Code Index Type OUR840 MD7-34R MD6 Y34A ➅ PAT750 Y500CT Y46 ➃ Y45 ➂ Y48B Y60BHU (# of Crimps) Length

Purple X28VT (4) Hydraulic:YRB2825T Purple Die 15

Die Set X28RT (4)X28VT (4) X28RT (4) — U28RT (1) — U28RT (1) C28R (1) L29ART (1)

Y644M (1)1-7/32�

Die 20 Brown U34RT (2) W34VT (2) U34RT (2) U34RT (2) C34R (1) BAT644M (1)YRB3428T Brown

or 299 Die Set— — — —

U31ART (2) W34RT (2) U31ART (2) U31ART (2) C31AR (1)L34RT (1)

PAT644M (1)1-13/16�

1 Material: Copper.➁For Tin-Plating, add suffix “TN” to the Catalog Number

(ex.: YRB2825TN). For Hot Tin dipped add suffix “W” to thecatalog number (ex.: YRB2825TW).

➂Catalog Number PT6515 Adaptor is required to use “U”dies in Y45 series tools.

➃Catalog Number PUADP-1 is required to use “U” dies inY46 series tools.

5 Dimensions in brackets [ ] are in millimeters rounded offto the nearest millimeter, unless otherwise specified, andare for reference only.

➅For use by customers that have this HYPRESS™. No newY34 HYPRESS™ tools are being processed.

➆Suffix “TN” and “W” will not be stamped on part.




K-16

TYPE K-P-C

URD SERVICE TAP

COPPER CONDUCTORS

These compact, wide-range-taking, multipleoutlet connectors are made of high conduc-tivity copper alloy. Spherical point Allen setscrews provide even clamping forces on conductors up to 4/0 Str. Each connector issupplied with an insulating cover. Themechanical clamping elements allow individ-ual cables to be disconnected without disturbing adjacent connections.

COMPRESSIONSERVICE TAPS ANDTRANSFORMERTERMINALS

Where compression-type service taps arerequired, the wide-range-taking, figure "6"shaped, tap connectors are recommended.They can be gripped in a HYPRESS™ andslipped over the secondary main for easyinstallation. For above-grade installation,commercially available insulating tubes areoften used to cover a series of these taps oneach main cable stub. Separation of run andtap cables simplifies taping.

TYPE YPC-C

TIN-PLATED COPPERCRIMPIT™

FOR COPPER CONDUCTORS

Made of tin-plated pure copper this connec-tor is recommended for copper service tapsin above-grade enclosures or for direct bur-ial. The streamlined design facilitates taping.The plating eliminates reaction with insula-tors.

* Y35 HYPRESS™ U-Dies with adapter PUADP-1 can also beused with Y46. Same number of crimps as Y35.

Catalog Number NumberComplete Connector Cover of

Conductor Assembly Only Only Outlets A B C6 Str. - 4/0 Str. K6P28C K6P28 K-PC28 6 5-1/8 2-3/4 1-5/8

Installation ToolingY35, Y750, Y46

Conductor Catalog Die HYPRESS™Run Tap Number L Index Die Cat. No. (No. of Crimps)

2/0 Str. - 250 4 Str. - 2/0 Str YPC29C26 1.00 D3 U-D3 (1)




K-17

TYPES K6B ANDK33B

URDTRANSFORMER TERMINALS

FOR COPPER CONDUCTORS

These terminals are companion connectorsof the various types of DOME-TAP, andpossess the same advantages of wideconductor range and compactness. Thesefeatures simplify cable terminations in thesecondary compartments of pad-mountedtransformers. The design also permits indi-vidual cables to be disconnected withoutdisturbing adjacent joints.

Made of a high conductivity copper alloy,these compact range-taking connectorsprovide for connecting up to six coppercables at the transformer terminals. Theoutlets are equipped with spherical point, tin-plated brass socket set-screws to provideeven clamping forces on the conductorsthroughout the cable range.

Where cable sizes exceed 4/0 STR., a pres-sure bar is added to assure optimum per-formance.

Fig. 1

Fig. 2 Fig. 3

Conductor Catalog Number Fig. No. NEMA TongueTwo Outlets: #6 - 4/0Four Outlets: 6 Str. - 2/0

K6B2826-2N 1 2-Hole

Six Outlets: 6 Str. - 4/0 Str. K6B28-4N 2 4-HoleSix Outlets: 4/0 Str. - 500 K33B34-4N 3 4-Hole




K-18

TYPE F-A

URD FUSED TRANSFORMER TERMINALS

These Transformer Tap assembles boltdirectly to the secondary terminal pad. Theyprovide for up to eight cables to be fuseddirectly at the secondary terminals. This maybe all service taps or combinations ofsecondary mains and service taps.

Type LF LIMITER and HYLUG™ (copper or aluminum)Compression terminals must be ordered separately.

TRANSFORMER TERMINALS

FOR ALUMINUM AND COPPER CONDUCTORS

Made of aluminum alloy, the massive designminimizes conductor corrosion due to gal-vanic action. Each outlet is pre-filled withPENETROX™ joint compound and sealed.Plated aluminum socket head pressurescrews and aluminum pressure bars preventconductor damage. Six hole pad allows foradjustable positioning on four hole NEMAspades.

TYPE K-P-UC

UNIVERSAL URD SERVICE TAP


Made of aluminum alloy, the massive designminimizes conductor corrosion due to gal-vanic action. Each outlet is pre-filled withPENETROX™ joint compound and sealed.Plated aluminum socket head pressurescrews and aluminum pressure bars preventconductor damage. Each connector is sup-plied with an insulating cover.

Catalog Number Number of Fuses L InchesF22A28 4 6-1/2

Conductor Catalog Number Number of OutletsTwo Outlets 2 Str. - 500Four Outlets 6 Str. - 4/0 Str.

K6A34U-6N 6

Catalog Number NumberComplete Connector Cover of

Conductor Assembly Only Only Outlets A B CTwo Outlets2 Str. - 500Four Outlets

K6P34UC K6P34U K6PC34U 6 5-3/4 3-1/8 2-1/8

6 Str. - 4/0 Str.




K-19

TYPES BPD & BPD2

POWER DISTRIBUTIONBLOCKS

Dual rated ground pedestal lugs. Rated for600 volt. Constructed from high strengthaluminum alloy 6061-T6. Connectors are allplated to provide low contact resistance.

Plastisol covers dielectric strength rating of 120 volts per mil. Nominal thickness is 156 mils. Covers purchased separately.

BPD

BPD2

BIC

BIC2

Wire Range Number of DimensionsCatalog Number Aluminum or Copper Conductors A B C Insulating Cover

BPD-4-350 #6 - 350 4 3.88 1.38 1.00 BIC-4-350BPD-6-350 #6 - 350 6 5.69 1.38 1.00 BIC-6-350BPD-8-350 #6 - 350 8 7.50 1.38 1.00 BIC-8-350BPD-4-500 #2 - 500 4 4.75 1.63 1.00 BIC-4-500BPD-6-500 #2 - 500 6 7.00 1.63 1.00 BIC-6-500BPD-8-500 #2 - 500 8 9.25 1.63 1.00 BIC-8-500BPD2-4-750 #2 - 750 4 6.56 2.00 2.50 BIC2-4-750BPD2-6-750 #2 - 750 6 9.88 2.00 2.50 BIC2-6-750BPD2-8-750 #2 - 750 8 13.81 2.00 2.50 BIC2-8-750

PRODUCTS FOR UNDERGROUND RESIDENTIAL DISTRIBUTION SYSTEMS

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