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MIKEWEBB
MIKEWEBB

Posted: Wed Jun 05, 2013 12:06am

Post Subject: 12V WIRING - USING A COMMON RETURN

I'm re-arranging and rewiring the lamp and horn on the front of our narrowboat cratch and want to be able to disconnect them from the main wiring in the future so that I can remove the cratch/lamp/horn assembly for renovation when necessary. There are obviously 2 twin core 12v cables coming from the control panel at the stern and the lamp and horn also have twin core cables attached to each. The location for a plug/socket is limited and I have an ideal 3 pin combination unit. I therefore plan to join the negative/earth wires on each side of the plug/socket to create a common return through it. I think this should be feasible but would appreciate your comments. I also propose to check the negative wires in the source cables have been wired the right way around by connecting each via a meter to the hull/earth. Can you confirm that this is workable too please? Regards - Mike

Tony-B
Tony-B

Posted: Wed Jun 05, 2013 7:48am

Post Subject: 12V WIRING - USING A COMMON RETURN

I can see nothing wrong with what you propose. The big no-no is to use a hull return path but as those two items that are used rarely maybe it is not absolutely vital. Tony Brooks

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