Transmission Products (T-1201)

Select 4-R™ Ruling Span Tension

Required Inputs • Initial Unloaded Tension (if new conductor installation). • Final Unloaded Tension.

• Tension values may be input as %RBS (Rated Breaking Strength) if actual design tensions are not yet defined, or if utility standard practice limits unloaded tension to a fixed % of cable RBS.

Input Limits • Tension range limits are 1 to 40% of cable RBS. • Final Tension cannot be greater than Initial Tension.

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Ruling Span Tension for TL 151 File Name: W/O105644

Conductors/ Phase

Description

Size Stranding Wt (lb/ft)

RBS (lb)

Dia (in)

Application # Shield

Wires # Circuits Phases/ Circuit

ACSR DRAKE 795

26/7

1.094 31500 10108

Phase

3

----

1

1

Enter unloaded tension (lb/N) or % cable RBS at annual average minimum temperature (AAMT)

25

7875

Initial Unloaded Tension at AAMT:

lb/N %RBS:

Include Initial Tension if New Conductor Installation

22

6930

lb/N %RBS:

Final Unloaded Tension at AAMT:

Update

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Page 416 | July 2016