Alpha Technologies FlexNet PMR, GMR Series - Manual (Page 33)

031-239-C0-003 Rev C 33
4.0 Equipping the System
4.1 Service Power
120VAC Service Entrance Wiring
120VAC/20A Receptacle -- 5-20R
Utility power enters the enclosure through a 70 A rainproof SUSE-rated breaker box.
L1
(black)
Ground
(green)
Neutral
(white)
to utility
neutral (white)
neutral bus
Copper ground wire
#8 AW G (minimum)
L1 (black)
breaker
grounding point made
to enclosure wall
L1 (black)
to enclosure
receptacle
Use qualifi ed service personnel to connect to utility power in compliance with local electrical
codes and common safety practices. Connection to utility power must be approved by the local
utility before you install the power supply.
UL and NEC require that a UL-listed service disconnect switch be installed between the power
source and the power supply. Connection to the power supply must include an appropriate
service entrance weather head.
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ATTENTION:
NOTE:
Fig. 4-1, Service Power