26
I N S TA L L AT I O N , O P ER AT I O N S A N D M A I N T EN A N C E M A N UA L
1. Internal equipment control wiring
2. Terminal boards
3. Space for purchaser's field control wiring
—
39
—
39
Control wiring
termination trough
1
2
3
Ground bus
All ReliaGear LV SG sections are grounded to the
internal equipment ground bus, Figure 40, located
at the bottom or the top of the cable compartment.
—
40
Cable termination
compartment
1. Feeder run backs
2. Vertical riser bus covers
3. Horizontal main bus
4. Ground bus (behind steel cover)
—
40
4
1
3
2
A neutral bus, insulated from ground, is provided in
the bus area on switchgear designed for four-wire
systems. The neutral bus is located either near the
top or near the bottom of the cable compartment.
It includes provisions for terminating the neutral
conductor of four-wire feeder cables and also
direct mounting of the neutral sensor as required
for those feeder system circuit breakers having a
ground fault trip function.