Cummins/Onan — AC Power Output Connections - Wiring Methods
Installation · Electrical system
From a Cummins/Onan service manual — check it applies to your exact model before use.
Applies to: Cummins/Onan HDKC, Cummins/Onan HDKCA, Cummins/Onan HDKCB
Before you start
- Improper wiring can cause fire or electric shock
Procedure
- Have a qualified electrician supervise and inspect all AC wiring installation
- Secure only one lead at each AC output terminal (terminals suitable up to No. 6 AWG)
- Install vibration-proof switches and controls
- Use rain-tight conduit, conduit connectors and junction boxes for exterior wiring
- Provide GFCIs for all convenience power receptacles
- Route AC wiring, remote control wiring, and fuel lines separately
- Seal all conduit openings into vehicle interior with silicone rubber or equivalent sealant
- Connect grounding terminal TB2-4 per applicable codes
Full service-parts list: Cummins/Onan HDKC →, Cummins/Onan HDKCA →, Cummins/Onan HDKCB →
Source: Cummins/Onan service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.