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Calipers for measuring wire size #1018 04/13/01 11:02 PM
Joined: Dec 2000
Posts: 218
S
spkjpr Offline OP
Member
Once upon a time I saw a set of calipers that read out wire size. I frequently get call to remove old subpanels and need to check the size of wire an the panel that the load is being moved to. Most of these the marking on the wire is no longer legible. If anyone can help me I would appreciate it. Also this board is a great asset and very interesting.

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Re: Calipers for measuring wire size #1019 04/14/01 09:01 AM
Joined: Dec 2000
Posts: 4,283
electure Offline
Member
The smaller sizes can be checked with a pair of strippers that have the multiple sizes. For the larger sizes, you might check the dimensions of legibly marked conductors, log them in on a piece of paper, and use them for future reference.

Re: Calipers for measuring wire size #1020 04/14/01 04:34 PM
Joined: Oct 2000
Posts: 3,961
Bill Addiss Offline
Member
spkjpr,

I usually use strippers to determine the size like electure mentioned and carry around some small pieces of larger sizes to compare side by side. If it's important for larger sizes I think you can figure it out by knowing the size of each strand and counting them.

Bill


Bill
Re: Calipers for measuring wire size #1021 04/15/01 12:02 PM
Joined: Oct 2000
Posts: 5,389
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sparky Offline
Member
I wonder if the machinist trade would have something useful for you..?

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Re: Calipers for measuring wire size #1022 04/16/01 10:38 PM
Joined: Feb 2001
Posts: 308
S
Steve T Offline
Member
Are you referring to those plastic cards with the appropriate notch in them for the size wire you are trying to find? If not, how about those?

I would never stick a pair of wire strippers in a live panel to do an inspection.--not suggesting anyone else was suggesting that, but I can't shut the power down to do an inspection.

How about a proposal for manufacturers to mark the wire size on the wire every 6"s instead of 24". I can't find the wire size for new wires half the time.

Re: Calipers for measuring wire size #1023 04/19/01 04:08 PM
Joined: Apr 2001
Posts: 10
D
dtl66 Offline
Member
I think you are refering to a Burndy wire mike. Don't know if you can get them new but I found one on Ebay about a year ago.

Re: Calipers for measuring wire size #1024 04/19/01 04:54 PM
Joined: Feb 2001
Posts: 62
M
Mike Offline
Member
You might try asking people at a motor repair shop. They use calipers to determine wire size of the motor windings.

Re: Calipers for measuring wire size #1025 04/19/01 08:12 PM
Joined: Apr 2001
Posts: 6
Z
zapped1012 Offline
Junior Member
SPKJPR, I BORROWED TWO OF THESE METAL WIRE GAUGES , BOUT 3" IN DIA. WHEN I WAS IN THE NAVY AS A SPARKY. FUNNY THING IS I DON'T RECALL GIVING THEM BACK. I BET THERE WAS 20 SIZES ON IT. I THINK MIKE HAS THE BEST ANSWER.

Re: Calipers for measuring wire size #1026 04/20/01 11:09 AM
Joined: Mar 2001
Posts: 8
J
John-Tx Offline
Junior Member
Quote
Originally posted by dtl66:
I think you are refering to a Burndy wire mike. Don't know if you can get them new but I found one on Ebay about a year ago.
Burndy is now a part of [url=]Framatome[/url]. Neat tool, but I didn't see it on their site.

Re: Calipers for measuring wire size #1027 04/20/01 11:11 AM
Joined: Mar 2001
Posts: 8
J
John-Tx Offline
Junior Member
Looks like I blew the link: http://www.fciconnect.com/ is Framatome

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