Cable Size

SENTNATH · Posted: Tue Oct 17, 2006 7:33 am Post Subject: Cable Size

What does it mean MCM when you refer to cable size

Richardp · Posted: Tue Oct 17, 2006 7:57 am Post Subject: Re: Cable Size

SENTNATH wrote:

What does it mean MCM when you refer to cable size

MCM means thousand circular
mills. A circular mil is a unit of area equal to that of a circle 1 mil in
diameter. obvious really !

SENTNATH · Posted: Tue Oct 17, 2006 8:10 am Post Subject: Cable Size

Thanks for your explanation.

sm1thson · Posted: Tue Oct 17, 2006 8:16 am Post Subject:

and dont get mills confused with mm

Richardp · Posted: Tue Oct 17, 2006 8:31 am Post Subject:

sm1thson wrote:

and dont get mills confused with mm

and don't get a circular mil confused with a square mil

slippyr4 · Posted: Tue Oct 17, 2006 11:36 am Post Subject:

a mil being more usually known (this side of the pond) as a thou - ie. a thousandth of an inch.

Richardp · Posted: Tue Oct 17, 2006 12:20 pm Post Subject:

the standard unit of size in most cases is the mil foot, a wire will have a unit size if it has a diameter of 1 mil and a length of 1 foot.
its found in American and English wire tables,avoiding decimals.