Power-Style™ QED-2 Switchboards
Section 4—Installation
34
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80043-055-13
ENGLISH
When cable restraints are required, perform the following steps.
NOTE:
Wrap cables using 1/2-in. (13 mm) diameter sisal rope, 3/8-in. (9.5 mm)
diameter nylon rope, or equivalent.
1. Begin wrapping the cables (Figure 26) a maximum distance of 11 in. (279 mm)
from the end of the lugs. Continue to wrap the cables on 11-in. (279 mm)
center(s) up to the point where the cables leave the enclosure.
a. Wrap the cables four (4) times as shown, leaving 3 ft. (1 m) of excess rope
at the first end (A).
b. Pull the rope (B) taut.
2. Wrap the rope several times (Figure 27) until the space between the cables is
completely filled.
a. Weave the final rope loop underneath the previous loop (C).
b. Bring the rope through the right-hand space.
c. Pull the rope taut.
NOTICE
HAZARD OF CABLE MOVEMENT UNDER SHORT-CIRCUIT CONDITIONS
Restrain all cables, including neutral cables, in the switchboard installation when
the conditions stated on page 33 are met.
Failure to follow these instructions can result in equipment damage.
Figure 26 – Wrapping Cables (neutral cables not shown)
Figure 27 – Wrapping the Space Between Cables
B
A
11.00 in
(279 mm)
End of lugs
Lugs
Cables
Wrap 0.50 in (13 mm)
sisal rope or equivalent
C
Left-hand
space
Right-hand
space
Lugs
Cables
