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Posted By: Admin Conduit Bending in 1928 - 05/15/03 06:27 PM
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[Linked Image]

[Linked Image] Thanks to Joe Goble! (aka mountainman)
Posted By: Bjarney Re: Conduit Bending in 1928 - 05/15/03 06:37 PM
The article's unstated safety principles are commendable—necktie ends stuffed into shirt. Aaagh!
Posted By: Bill Addiss Re: Conduit Bending in 1928 - 05/15/03 06:43 PM
That's why I always wear Bow-Ties when I'm doing a Conduit Job!

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Bill
Posted By: iwire Re: Conduit Bending in 1928 - 05/15/03 08:14 PM
Is there another page that shows how to pull wire through the four bend 360 degree saddle?

Tough for us with THHN try it with cloth covered. [Linked Image]
Posted By: John Steinke Re: Conduit Bending in 1928 - 05/16/03 12:01 AM
Yet another reason why Mr. Benfield should get a Nobel Prize.
Also- anyone know when the 360 degree rule first entered the code?
Posted By: ThinkGood Re: Conduit Bending in 1928 - 05/16/03 10:36 AM
360°? Try pulling through those figure-8s!
Posted By: Creighton Re: Conduit Bending in 1928 - 05/16/03 02:22 PM
John S. :A 360 degree limit appeared in the Aug. 31, 1897 Rules of the Underwriters Association of the Middle Department, which predated the National Electrical Code. No record that I know of as to how they arrived at the four ninety limit. If anybody knows, I wouldl be interested. Creighton.
Posted By: George Corron Re: Conduit Bending in 1928 - 05/16/03 05:12 PM
Creighton,
When I came into the trade....... uh, musta been 3-4 years ago [Linked Image] the old geezers used to slap me up side the head for asking that question.

Sidewall bearing pressure aside, the "instruction" I received was that it had nothing to do with how hard we had to pull, it had to do with manufacturing a coil, and what that would do to our systems. I think it's probably a bit of both nowadays, but both do have their valid arguments.
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