Transmission Connectors - Assemblies (TH)

EHV Jumper Support, 2-Bundle Conductor 3” Post (Horizontal) Insulator Assembly, 230kV - 345kV

ASSEMBLY TAJ21P

Jumper Clamp Assembly

Catalog Number

Clamp Range

12.00

273838-3001

1.00-1.40 Diameter

Ø14.00

R.47

273839-3001

1.40-1.60 Diameter

Ø7.00

8.06

273840-3001

1.60-2.00 Diameter

Ø8.00

ø .94

JLC24818357

2.00-2.48 Diameter

1.31

Gain Base Pole Diameter Range

Section Length

1

18.00

14.00

12˚

3

2

Base Assembly Bill of Material

Item Part Number

Description

Quantity

Material

UBS lb

1

See Chart

Insulator, Post w/Ring

1

Polymer

—

2

See Chart

Jumper Clamp Assembly

1

Steel/Aluminum

5,000

3

See Note 1

Armor Rods

2

Aluminum

—

H 50

Typical Insulator Selection

Line Voltage (kV)

Quadri*Sil® Part Number

Section Length Inches

RCL lb

Corona Ring

230

P300074S002A

85.6

1,740

15” Line End

345

P300099S002A

110.4

1,315

15”Line End

NOTE: RCL is 50% of the ultimate cantilever load capacity. Maximum design tension load rating is 12,500 lb. For quoting/ordering instructions, see Assemblies section. (1) See Armor Rod section for rod set based on conductor application.

September 2017