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  1. #11
    Join Date
    Aug 2007
    Location
    The Great White North
    Posts
    4,045

    Default Re: Knob & Tube meets NM

    Here we go again.
    "" an ounce of perception -- a pound of obscure "
    - Rush

  2. #12
    Join Date
    Jun 2007
    Location
    Fayette County, Ohio
    Posts
    5,558

    Default Re: Knob & Tube meets NM

    Be sure you live your life, because you are a long time dead.-Scottish Proverb

  3. #13
    Join Date
    May 2008
    Location
    New Jersey
    Posts
    20

    Default Re: Knob & Tube meets NM

    these are the kind of topics that make me kringe. just remember if it works it doesn't mean its right. at the very least protect both the knob and tube ckt and the new ckt with an afci breaker

  4. #14
    Join Date
    Jan 2008
    Posts
    731

    Default Re: Knob & Tube meets NM

    Quote Originally Posted by Ernie_Fergler View Post
    Inaccurate information provided here. Please Google again.
    Of course you can wire nut K&T and Romex, in any approved J-box.
    wrong and so funny you are!

    Brad says he is in Cleveland Ohio. Guess some of you don't know that Cleveland didn't allow Romex and required K&T even new construction to the early 70s. Mom still has the family home she and Dad purchased new in 1972 -- all K&T romex wasn't allowed in Cleveland.

    Cleveland has SPECIAL RULES (ordinances are law) they are very strict about what is and is not allowed and what is and is not maintenance when it comes to K&T. Brad needs a permit. Brad isn't allowed to replace K&T from the switch box to two fixtures with Romex and leave the rest of the circuit K&T, that's Cleveland rules.

    Home insurance underwriters know all about which homes have K&T and which don't especially around Cleveland. Get caught on an inspection or a claims adjuster sees unpermitted work on the original K&T and kiss that insurance claim check goodbye or expect it to be greatly reduced, and your homeowner's insurance dropped.

    You can call Mr. Cooper at the Building department at 664-2386, or one of the inspectors and they'll explain 3137 to you. Ask about the difference between 3137.05(e) and (f) and that neither allow you to replace permanent wiring. Since you're not using K&T methods to replace the original ask him to explain about 3137.2(c)(15) so when you pull your legally required permit and get it inspected you won't get tagged out and have to redo all your work.

  5. #15
    Join Date
    Nov 2007
    Posts
    980

    Default Re: Knob & Tube meets NM

    *** it took two and a half days to google that information???

  6. #16
    Join Date
    May 2008
    Location
    Pacific Northwet
    Posts
    1,361

    Exclamation Re: Knob & Tube meets NM

    One thing to be careful with K&T is that a lot of it is old and the rubber insulation under the cotton braid is brittle. Any time you disturb it -- and this can be as inoccuous as bumping the wire when you're rustling in the attic -- it's a really good idea to inspect it to make sure you didn't knock the insulation off or split it. If that's the case, you'll need to very carefully tape it up or replace it.

  7. #17
    Join Date
    Jun 2007
    Location
    Shamokin, Pa.
    Posts
    645

    Default Re: Knob & Tube meets NM

    Quote Originally Posted by Fencepost View Post
    One thing to be careful with K&T is that a lot of it is old and the rubber insulation under the cotton braid is brittle. Any time you disturb it -- and this can be as inoccuous as bumping the wire when you're rustling in the attic -- it's a really good idea to inspect it to make sure you didn't knock the insulation off or split it. If that's the case, you'll need to very carefully tape it up or replace it.
    I agree. K&T is very delicate stuff. Very sound advice.

  8. #18
    Join Date
    Jan 2008
    Location
    Lakeland ,MN
    Posts
    356

    Default Re: Knob & Tube meets NM

    Quote Originally Posted by havanagranite View Post
    *** it took two and a half days to google that information???
    No No no it took two days for the inspector to call Leslie back ... or I should of said her Dad
    Harry

  9. #19
    Join Date
    Jan 2008
    Location
    Lakeland ,MN
    Posts
    356

    Default Re: Knob & Tube meets NM

    Quote Originally Posted by Blue RidgeParkway View Post
    wrong and so funny you are!

    Brad says he is in Cleveland Ohio. Guess some of you don't know that Cleveland didn't allow Romex and required K&T even new construction to the early 70s. Mom still has the family home she and Dad purchased new in 1972 -- all K&T romex wasn't allowed in Cleveland.

    Cleveland has SPECIAL RULES (ordinances are law) they are very strict about what is and is not allowed and what is and is not maintenance when it comes to K&T. Brad needs a permit. Brad isn't allowed to replace K&T from the switch box to two fixtures with Romex and leave the rest of the circuit K&T, that's Cleveland rules.

    Home insurance underwriters know all about which homes have K&T and which don't especially around Cleveland. Get caught on an inspection or a claims adjuster sees unpermitted work on the original K&T and kiss that insurance claim check goodbye or expect it to be greatly reduced, and your homeowner's insurance dropped.

    You can call Mr. Cooper at the Building department at 664-2386, or one of the inspectors and they'll explain 3137 to you. Ask about the difference between 3137.05(e) and (f) and that neither allow you to replace permanent wiring. Since you're not using K&T methods to replace the original ask him to explain about 3137.2(c)(15) so when you pull your legally required permit and get it inspected you won't get tagged out and have to redo all your work.
    That is hard to believe Knob and tube was allowed and to be installed up to the 70's. With all the hazzards with knob and tube. maybe conduit I would believe that.
    Harry

  10. #20
    Join Date
    Nov 2007
    Posts
    980

    Default Re: Knob & Tube meets NM

    Quote Originally Posted by Ravens53 View Post
    No No no it took two days for the inspector to call Leslie back ... or I should of said her Dad
    ok now that would make sense

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