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Old 10-21-2019, 12:14 AM   #14
IRENE's Avatar
City: Port Angeles, WA
Country: USA
Vessel Name: Irene
Join Date: Jan 2016
Posts: 761
Originally Posted by Porgy View Post

Ours is likely somewhat newer and is wired the same as you describe. Therefore, I’d suggest your surveyor may be mistaken regarding the need to downgrade circuit breakers. Assuming yours is similar to ours, there should be 32A circuit breakers between the shore power inlets and the “Ship’s Service Selector” switch. Ours is in the medicine locker. From the switch, 4ga. cable is used to the distribution panel (and its main panel CB) and also from that switch to the a/c panel (and it’s main CB.) As alluded to above, this is to accommodate the full output of the generator. Yours (I’m assuming you have one) is likely 8k or 66 amps. You still have to manage loads but, you can simultaneously run “nearly” everything on generator.

The owners manual should have electrical diagrams which should be consulted rather than relying on the above and the possibility that specs have indeed changed...
We are also wired as Porgy indicates, confirmed by our wiring diagram. The good news is, there may be no problem with what sounds like a prospective boat.

Welcome to TF and Best Wishes
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