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Alpha Technologies LPE Enclosure User Manual

Page 20

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20

031-302-B0-001 Rev A

2.0

Installation, continued
2.5

Connecting the Utility Power, continued

2.5.1 Service Power

Connecting to utility power must be performed by qualified service personnel in compliance with local

electrical codes and common safety practices. Connection to utility power must be approved by the local

utility before installing the power supply.

Electrical codes require that a 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

Utility power enters the enclosure through a 70A rainproof SUSE-rated breaker box.

NOTE:

From Utility

L1 (Black)

Copper Ground Wire

#8AWG minimum

Breaker

Grounding Point

(made to enclosure wall)

Neutral Bus

Neutral (White)

to Enclosure receptacle

The service entrance is wired as shown in the diagram below.

Fig. 2-6, 120Vac Service Entrance Wiring