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diybuck 04-21-2011 01:40 PM

knob and tube wiring
 
how do i tell which lead of the nobe and tube wire hooks to the white or black lead of romex?

rjniles 04-21-2011 01:43 PM

You are not allowed to make changes or additions to knob & tube wiring.

Wildie 04-22-2011 12:58 AM

Quote:

Originally Posted by diybuck (Post 633892)
how do i tell which lead of the nobe and tube wire hooks to the white or black lead of romex?

Test for voltage potential by measuring from a ground point .
I usually plug an extension cord into a receptacle with a good ground.
Run the extension cord to where you wish to test and use its ground pin as a reference point.
You can also buy a battery powered tester that signals when its near a conductor with voltage on it. Mine cost me $20.

Some jurisdictions may not allow k&t revisions, but not all!

frenchelectrican 04-22-2011 01:13 AM

If you can able run new cable to get around the old T&K you will be fine and per NEC code we can NOT extend the old T&K or ungrounded romexs so give you a head up on that one.

Basically the same rules I Have in Paris France.

Merci,
Marc


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