Underwriter's Knot?

Merry Christmas
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rattus

Senior Member
Who, besides Ed MacLaren, knows how to tie an Underwriter's knot? Who knows the application of this knot? Who knows what I am talking about? Who cares?

Rattus
 

mdshunk

Senior Member
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Re: Underwriter's Knot?

When K&T was still in favor, you used an underwriter's knot inside the screw shell of a suspended lampholder. Today, in rewiring table lamps, you're still supposed to split the zip cord and tie an underwriter's knot in the conductors before terminating to the terminal screws. Most pendant lampholders in use today use a sort of compression nut and gland that grips the pendant cable and makes the underwriter's knot a thing of the past.

Do I have it right?
 

rattus

Senior Member
Re: Underwriter's Knot?

Hunk, tell us how to tie one, and is it still legal? Seems to me it puts less stress on the wire than present day strain reliefs.
 
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