Cummins/Onan PX12000e — Connecting to Domestic Circuit (House Wiring)
Installation · transfer switch and house wiring
For the Cummins/Onan PX12000e, from the Cummins/Onan operator's manual.
Applies to: Cummins/Onan PX12000e, Cummins/Onan EH65D engine
Before you start
- All connections must be made by a licensed electrician.
- Failure in connection may result in death, personal injury, damage to generator, damage to appliances, damage to building's wiring or fire.
- Do not connect the generator to a commercial power line.
Procedure
- When connecting the generator to house wiring, take generator output power from the 240V-4P receptacle.
- Install a transfer switch of the correct capacity between the meter and the fuse or AC breaker box.
- If the neutral wire of house wiring is grounded, be sure to ground the ground terminal of the generator.
- Turn the house AC breaker off before starting the generator.
- Start the generator and warm it up, then turn the house AC breaker on.
Specs & values
- Use a transfer switch of the correct capacity
- Generator is neutral grounded type
Source: Cummins/Onan operator's 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.