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Old 04-28-2011
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Need a watertight wire splice

I've made my share of wire connections in the past. Have also used heat shink tubing when joining only two wires together.

How do you make a watertight connection when splicing a new wire into the middle an existing run?

12 gauge, 12 volt, Ancor
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Old 04-28-2011
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I would suggest a junction box. I have seen two wires fed into one heatshrink connector before, not ideal. I believe anchor electric makes three way connectors. I would use a junction box personally. Good luck.
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Old 04-28-2011
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McMaster Carr sells the adhesive used in the waterproof heat shrink tubing in a strip form. If you use a piece to fill the gap between the two wires coming out of one end of the heat shrink tubing you'll be sure that you get a good seal.

Gary H. Lucas
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Old 04-28-2011
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Heat shrink tape

Quote:
Originally Posted by GaryHLucas View Post
McMaster Carr sells the adhesive used in the waterproof heat shrink tubing in a strip form. If you use a piece to fill the gap between the two wires coming out of one end of the heat shrink tubing you'll be sure that you get a good seal.

Gary H. Lucas
Gary, is this what you are referring to?

McMaster-Carr
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Old 04-29-2011
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You need one of these

ELECTRICAL SPLICES
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Old 04-29-2011
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Quote:
Originally Posted by oomfh View Post
Gary, is this what you are referring to?

McMaster-Carr
No, look at the bottom left of the page:

McMaster-Carr
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Old 04-29-2011
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The thicker tape is butyl. That's interesting.

Quote:
Originally Posted by GaryHLucas View Post
No, look at the bottom left of the page:

McMaster-Carr
I have some waterproof splices to make tomorrow.
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