Hot Melt Glue as Wire Clamp? - The Planted Tank Forum
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post #1 of 19 (permalink) Old 01-10-2011, 01:42 AM Thread Starter
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Hot Melt Glue as Wire Clamp?

Have any of you tried using hotmelt glue to hold wires in place in a light fixture? I'm thinking about using it on my LED light, but I'm concerned about it melting the insulation. Before I do it I will experiment, if no one else has tried this.

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post #2 of 19 (permalink) Old 01-10-2011, 01:58 AM
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i have had sucess with the low heat "hot glue" for that purpose. but i have never attempted the high heat version before.
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post #3 of 19 (permalink) Old 01-10-2011, 02:30 AM
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i have used hot glue to prevent wires from moving... not to splice them though

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post #4 of 19 (permalink) Old 01-10-2011, 04:26 AM Thread Starter
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That's good news! Next chance I get I will do some experimenting with the hot glue sticks I have - I don't know what their prooerties are since the package is long lost. It cold sure make a wiring job a lot neater and be a lot easier to use than tiny wire clamps.

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post #5 of 19 (permalink) Old 01-10-2011, 05:07 AM
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I've seen hot glue used on exposed wires inside circuit boards as insulation. It might melt the wire's insulation but it won't melt it off and once cooled, things should be fine.


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post #6 of 19 (permalink) Old 01-10-2011, 05:12 AM
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i have used hot glue to hold LED's in place before for moon lights.


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post #7 of 19 (permalink) Old 01-10-2011, 10:42 AM
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I have used 200C hot melt glue. Works fine with PVC insulated wires, just have to wait a couple of seconds for the glue to cool down.
Silicone insulated wires can withstand 260C
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post #8 of 19 (permalink) Old 01-10-2011, 03:10 PM
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I used hotglue to glue the nightlight (LED rope light) into my canopy. Initially it worked well, but over time the glue joints gave up one by one.

I think the main reason was that I glued the wires to the high-gloss paint. If glued to wood or any other rougher surface it should work well.


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post #9 of 19 (permalink) Old 01-10-2011, 03:19 PM
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Hot glue sticks really crappy to things long term. LIke metal or wood. Eventually it will fall off. It will stay on the wires fine, but the atmosphere of a heatsink might cause problems.
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post #10 of 19 (permalink) Old 01-10-2011, 04:10 PM
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I think I would go with wire tie anchors that come with sticky foam and accept zipties.

Wouldn't want to mix the two types of "current."

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post #11 of 19 (permalink) Old 01-10-2011, 07:47 PM Thread Starter
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Quote:
Originally Posted by over_stocked View Post
Hot glue sticks really crappy to things long term. LIke metal or wood. Eventually it will fall off. It will stay on the wires fine, but the atmosphere of a heatsink might cause problems.
This would be to an aluminum heatsink. The wiring will be on the underside of the heatsink, towards the water, so I will need something to keep it from sagging down. There will be a few pretty long wire runs. I have seen what looks like hot glue used in an electronic doo dad, but I don't know what it was, for sure. What alternatives are there?

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post #12 of 19 (permalink) Old 01-15-2011, 06:18 PM
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Hey hoppy I used some aquarium silicone to connect a small box to a piece of aluminum c channel on my Led setup...It sticks pretty darn well I had to really work to pry it off a few days later.


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post #13 of 19 (permalink) Old 01-15-2011, 07:41 PM Thread Starter
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Aquarium sealant sounds good! I think I have a tube of it someplace. I'll try it if I can find it. Unfortunately I can't do a one year test to see how permanent it is.

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post #14 of 19 (permalink) Old 01-15-2011, 08:08 PM
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Hot melt is used all the time in electronics mfg for tacking wires and wire bundels.

Also a darn good splice can be made with a length of drinking straw over the splice then fill the straw with silicone. This would be good enough for an underground splice

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post #15 of 19 (permalink) Old 01-15-2011, 10:06 PM Thread Starter
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Quote:
Originally Posted by sajata View Post
Hot melt is used all the time in electronics mfg for tacking wires and wire bundels.

Also a darn good splice can be made with a length of drinking straw over the splice then fill the straw with silicone. This would be good enough for an underground splice

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But, is the hot melt used to hold wire against aluminum? I though I had seen some in electronic boards, but I can't recall seeing it used to attach insulated wires to aluminum.

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