Installation
2–10 975-0402-01-01
This guide for use by qualified installers only
The DC chassis ground (earth) wire should also be sized
correctly to provide proper protection. Refer to the local
electrical codes for your specific installation to determine the
correct gauge. The ABYC standards require this DC chassis
ground wire to be the same size as the largest DC + and –
conductors connected to the charger, or no more than one
wire size smaller.

AC Wiring

The AC wiring must be of sufficient size, and it must be
protected by the appropriate size and type of input breaker,
based on the jurisdiction and application. Some basic
examples are given below.
The AC input wiring for the Truecharge™ 2 Battery Charger
should be three-conductor cable, providing a line, neutral,
and ground conductor (or L, N, GND) in an outer jacket, rated
Table 2-3
Fuse Sizes versus Wire Sizes Based on ABYC Regulations
AWG Max. Fuse/Breaker
14 15 A
12 20 A
10 30 A
850A
680A
4100A
2125A
1150A
WARNING: Risk of fire
Use only on circuits provided with 20A maximum branch circuit
protection in accordance with National Electrical Code, NFPA 70.