Installation
QS4 Technical Reference Manual
2.7
Wiring mains ac and earth ground
N
(L2)
G
(E)
H
(L1)
CAUTION:
The middle connection on the ac
terminal block makes a mechanical connection
to chassis (earth) ground. Do not allow the ac
hot and neutral conductors to make contact with
the middle connector on the ac terminal block.
Wiring instructions
1. Bring the mains ac conductors into the
cabinet through the 3/4–1/2 inch combination
knock-outs on the left side or upper left
corner of the cabinet.
2. Wire the hot (H, L1), neutral (N, L2), and
ground (G, E) conductors to the ac terminal
block as shown.
3. Insert tabbed end of terminal block cover
(deadfront) into the slot provided on the side
of the cabinet.
Notes
Keep power-limited wires in the shaded area
and nonpower-limited wires in the nonshaded
area.
Maintain a 1/4-inch separation between the
mains ac and battery wires (power-limited) and
and all other nonpower-limited wiring at all
times.
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