Product Manual A
4. Installation7-2018
37A051X873 (Issue 10) Copyright © 2018 Cummins Inc.
4.4 Electrical Connections
WARNING
Improper installation can lead to electrocution and damage to property.
Electrical connections must be made by a licensed electrician.
WARNING
Automatic startup of the generator set during installation can cause severe
personal injury or death. Make sure the generator set is shut down and
disabled:
1. Press the generator set's "O" (Off) button to stop the generator set.
Allow the generator set to thoroughly cool to the touch.
2. Turn off and disconnect the battery charger from the AC source before
disconnecting the battery cables.
3. Disconnect the negative (–) cable from the battery and secure it from
contacting the battery terminals to prevent accidental starting.
NOTICE
Refer to regional codes and the National Electrical Code (NFPA 70) for all
electrical installation requirements.
NOTICE
Class 1 wiring methods must be used for connecting the generator set.
AC Connections
WARNING
Automated Machinery
Accidental or remote starting of the generator set can cause severe personal
injury or death.
Isolate all auxiliary supplies and use an insulated wrench to disconnect the
starting battery cables, negative (–) cable first.
NOTICE
If a 100% rated breaker is used, 90 °C wire must be used for L1, L2, and L3
with the wire size determined by the 75 °C ampacity tables.