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0 equipping the system, 1 service power – Alpha Technologies FlexNet PMR, GMR Series User Manual

Page 33

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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.

ATTENTION:

NOTE:

Fig. 4-1, Service Power