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kenryan
Joined: 20 Oct 2009
Posts: 424
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 Posted: Mon Jul 01, 2019 10:23 am Post subject: insulating boots for contactors |
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What is the best way to insulate a positive contactor terminal with more than one wire connected? The rubber insulating boots that I have seen are made to be used with a single wire on the terminal.
Ken
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nuckolls.bob(at)aeroelect
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| Posted: Mon Jul 01, 2019 11:08 am Post subject: insulating boots for contactors |
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At 01:21 PM 7/1/2019, you wrote:
| Quote: | What is the best way to insulate a positive contactor terminal with more than one wire connected? The rubber insulating boots that I have seen are made to be used with a single wire on the terminal.
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I suggest you not worry about it. We had
some discussions about this waaayyy back when.
One builder suggested building a cover for the
contactor intended to shield 'dangerously
exposed terminals' from accidental contact/shorts.
Bad idea . . . these critters run warm NORMALLY
and are designed to perform in 'open to
the environment' conditions. Any enclosure
could emulate a tiny oven where the contactor
is deprived of expected air flows.
[img]cid:.0[/img]
Consider this picture I took on the A36
production line at Beech. Talk about
spark-hazard-city! Yet, just like the
bus bars behind the breakers, these
are considered to be exceedingly unlikely
sources for sparks-in-the-dark . . . or
otherwise.
Bob . . .
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Eric Page
Joined: 15 Feb 2017
Posts: 243
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| Posted: Mon Jul 01, 2019 11:17 am Post subject: insulating boots for contactors |
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I don't know about "best," but self-amalgamating silicone tape makes a good insulator for pretty much any size or shape terminal. It's available on eBay for cheap, or under the trade name "Rescue Tape." If you're not familiar, it's a tape with no adhesive that sticks only to itself. Stretch it as you wrap it, and it sticks instantly and permanently.
Eric
On Monday, July 1, 2019, 12:05:42 PM PDT, Ken Ryan <keninalaska(at)gmail.com> wrote:
What is the best way to insulate a positive contactor terminal with more than one wire connected? The rubber insulating boots that I have seen are made to be used with a single wire on the terminal.
Ken
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kenryan
Joined: 20 Oct 2009
Posts: 424
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| Posted: Tue Jul 02, 2019 6:07 am Post subject: insulating boots for contactors |
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Okay then! I'll forego the rubber boots.
On Mon, Jul 1, 2019 at 11:14 AM Robert L. Nuckolls, III <nuckolls.bob(at)aeroelectric.com (nuckolls.bob(at)aeroelectric.com)> wrote:
| Quote: | At 01:21 PM 7/1/2019, you wrote:
| Quote: | What is the best way to insulate a positive contactor terminal with more than one wire connected? The rubber insulating boots that I have seen are made to be used with a single wire on the terminal.
|
I suggest you not worry about it. We had
some discussions about this waaayyy back when.
One builder suggested building a cover for the
contactor intended to shield 'dangerously
exposed terminals' from accidental contact/shorts.
Bad idea . . . these critters run warm NORMALLY
and are designed to perform in 'open to
the environment' conditions. Any enclosure
could emulate a tiny oven where the contactor
is deprived of expected air flows.
[img]cid:16bb300e06be68f68cb1[/img]
Consider this picture I took on the A36
production line at Beech. Talk about
spark-hazard-city! Yet, just like the
bus bars behind the breakers, these
are considered to be exceedingly unlikely
sources for sparks-in-the-dark . . . or
otherwise.
Bob . . .
|
| | - The Matronics AeroElectric-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?AeroElectric-List |
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