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Old 21-09-2019, 00:26   #1
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what wire for 110 v system ?

the cable for my 110 v boat system from the power inlet to the
breaker panel is very old and i want to replace it.

what kind of cable should i get and where to buy ?
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Old 21-09-2019, 00:49   #2
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Re: what wire for 110 v system ?

If it is a 30 amp inlet you need 10-3 (10 gauge three conductor) marine rated (UL-1426) triplex cable. The standard colors and "polarity" are black - hot, white - neutral and green - ground.

There are many sources with an amazing range of prices. As long as you buy UL-1426 rated wire you are good.
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Old 29-09-2019, 17:57   #3
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Re: what wire for 110 v system ?

Agree with stormalong. Must be tinned stranded boat cable. Never ever standard copper or aluminum you would use on your home.
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Old 29-09-2019, 19:47   #4
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Re: what wire for 110 v system ?

While I agree that tinning is a very good thing (and we use only tinned wire) it is not a current ABYC or USCG Requirement, just (very) good engineering practice.
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Old 29-09-2019, 20:20   #5
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Re: what wire for 110 v system ?

If you are sailing fresh water only you might consider non-tinned. I don’t recommend it. Marine wire is both tinned and more and finer wire so that is more flex tolerant.
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Old 02-10-2019, 05:03   #6
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Re: what wire for 110 v system ?

You might also want to spend some time considering the various marine wire termination techniques. They can be of similar importance to the wire selection.
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