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replace knob and tube wiring with fished in legal. #206984
09/09/12 04:24 PM
09/09/12 04:24 PM
C
crselectric  Offline OP
Member
Joined: Sep 2006
Posts: 135
albany, ca
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 08:44 PM
09/09/12 08:44 PM
HotLine1  Offline

Member
Joined: Apr 2002
Posts: 6,985
Brick, NJ USA
"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 10:46 AM
09/10/12 10:46 AM
G
ghost307  Offline
Member
Joined: May 2005
Posts: 945
Chicago Illinois USA
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 12:04 PM
09/10/12 12:04 PM
G
gfretwell  Offline

Member
Joined: Jul 2004
Posts: 9,242
Estero,Fl,usa
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 05:05 PM
09/10/12 05:05 PM
HotLine1  Offline

Member
Joined: Apr 2002
Posts: 6,985
Brick, NJ USA
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 01:15 AM
11/20/12 01:15 AM
Lostazhell  Offline
Member
Joined: Feb 2004
Posts: 1,431
Bakersfield, CA (Originally Or...
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 11:18 AM
01/30/13 11:18 AM
H
harold endean  Offline
Member
Joined: Feb 2002
Posts: 2,233
Boonton, NJ
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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