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replace knob and tube wiring with fished in legal. #206984 09/09/12 03:24 PM
Joined: Sep 2006
Posts: 155
C
crselectric Offline OP
Member
Is it legal to rewire/replace knob and tube wiring for 1000sf. home just fishing and not opening bays? customer wants to have done. I said about 250/opening and probably have to open for blocking.
Is it legal in oakland calif. to to extensive rewire without opening up?

Business, Office, Estimating, Legal:
Re: replace knob and tube wiring with fished in legal. [Re: crselectric] #206987 09/09/12 07:44 PM
Joined: Apr 2002
Posts: 7,214
HotLine1 Offline
Member
"Fishing" in wiring should be acceptable, unless there is a local amendment prohibiting it.



John
Re: replace knob and tube wiring with fished in legal. [Re: crselectric] #206992 09/10/12 09:46 AM
Joined: May 2005
Posts: 984
G
ghost307 Offline
Member
I'm gonna say it's not allowed since none of the wiring would be secured for the vast majority of length of its run...but the AHJ will have the final say on it.
It's worth giving City Hall a call and finding out before you give out a price that won't cover your work.


Ghost307
Re: replace knob and tube wiring with fished in legal. [Re: crselectric] #206994 09/10/12 11:04 AM
Joined: Jul 2004
Posts: 9,540
G
gfretwell Offline
Member
It would have to be a local amendment. The NEC clearly allows fishing the chapter 3 cables in old work.

Quote
334.30(B) Unsupported Cables. Nonmetallic-sheathed cable shall be permitted to be unsupported where the cable:
(1) Is fished between access points through concealed spaces in finished buildings or structures and supporting is impracticable.


Greg Fretwell
Re: replace knob and tube wiring with fished in legal. [Re: crselectric] #206998 09/10/12 04:05 PM
Joined: Apr 2002
Posts: 7,214
HotLine1 Offline
Member
Greg:
Thanks for the NEC reference!!!
I've been busy & time is short.


John
Re: replace knob and tube wiring with fished in legal. [Re: crselectric] #207687 11/20/12 12:15 AM
Joined: Feb 2004
Posts: 1,434
Lostazhell Offline
Member
I've done this and never had a complaint in Southern Cali from the AHJ's here

Re: replace knob and tube wiring with fished in legal. [Re: crselectric] #208572 01/30/13 10:18 AM
Joined: Feb 2002
Posts: 2,233
H
harold endean Offline
Member
I myself as an AHJ, think that the safety of using newer, higher temp cable (with a ground wire) would be much safer than leaving an old K&T system.


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