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Electrification FS Conductor Bar System Instruction Manual
October 2019
Page
24
of
34
Chapter 8.0: Power Feed Wire/Connection
8.1:
Power feed cables must be sized to meet the ampere demands of the line element and be
connected to the power feed assembly by using a properly sized and crimped ring terminal.
See below for typical feed cables and ring terminals.
Line Element Size
Ring Terminal
Min. Cable Size*
90 Amp
S4-10R0-E
4 AWG
110 Amp
S2-10R-X 2
AWG
125 Amp
S2-10R-X 2
AWG
250 Amp
S3-0-38R-5 #3/0
400 Amp
S250-38R-5 250
MCM
*Reference NEC Table 610.14 for minimum cable sizing.
Note A: Tubular ring terminals listed are Panduit type and are shown only to illustrate the type of ring
required. Any terminal connectors may be used as long as it is properly sized.
Note B: Check local electrical codes for any additional specifications and/or restrictions.
Note C: A liberal coating of joint compound is recommended on all mating faces that conduct current.
Note D: Power feed cables must be supported from the top to prevent vertical loading on the conductor
bar.
8.2:
90/110/125 Amp In-Line Power Feed Assembly (FS-PFB)
8.2.(a):
Verify that the clamping plate is 1/8” below the underside of the joint assembly bracket.
If it is not, loosen or tighten the nuts to make the adjustment.
8.2.(b):
Slide the joint assembly into the upper slot of the end of the line element. Be sure the
clamping plate is properly located in the end of the joint assembly.
8.2.(c):
Slide the next line element into the open end of the joint assembly. Be sure the clamping
plate is properly located in the end of the line element.
8.2.(d):
Center joint assembly over the adjoining line elements.
8.2.(e):
Tighten one nut of the joint assembly 55 in-lb.
.