knob and tube no junction box I'm trying to map all my circuits and prepare for replacing my knob and tube wiring. I have three boxes and when testing voltage I notice my central white wire isn't hot. I expect this to be the ground, but it has associated circuits .
If I have a metal handy box used to join two legacy BX armored cables that don't have a ground wire, do I need to ground that box like I would with NM cable by connecting the box with the NM ground? If yes, how?
0 · wiring knob and tube problems
1 · wiring knob and tube box
2 · tracing knob and tube wiring
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Knob and tube wiring is obsolete, but it's still common in homes built before 1950. Completely removing it and rewiring a house to current . Sometimes there isn't access to install a j-box. Then it meets the letter of the Code to use short pigtails of 90C wire in the fixture box between the old wires and fixture wires. In . I am replacing a ( hanging) ceiling fixture in the dining room and found only wires and no box ( see photos). There's no junction box and the wires are old and gnarly looking. The house was built in 1900, and while I believe .The K&T wires were simply wire nutted to single conductor THHN at each end, no junction boxes used. We suggest removing the spliced section, installing a plastic junction box at each end, and replacing the THHN with Romex. Bring each .
Wiring running through tubes, and turning a corner supported by a knob. Notice the direct splice with more modern (1950s-era) non-metallic–sheathed cable. This type of connection is forbidden by the National Electrical Code, and a junction .
I'm trying to map all my circuits and prepare for replacing my knob and tube wiring. I have three boxes and when testing voltage I notice my central white wire isn't hot. I expect this to be the ground, but it has associated circuits . There will be new junction boxes placed, and each conductor for a knob and tube will go into the box through a separate bushed hole. Additionally, a second hole will be used to insert the new branch circuit wiring into the box, .
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At best you will have to run the knob and tube wiring into a panel or a junction box at that location. You will have to check with your city to see if the K&T is still grandfathered when attached to Romex cable for the final run to a .
There is some newer wiring from the 60s/70s according to our electrician but it looks like still a lot of knob and tube. House is 2 story with attic and basement (where newer breaker panel is, plus a junction box tying new box into the old knob and tube). Insulation around knob .My house had a ton of old knob-and-tube wiring that was nearly all dead and had never been cut out. It also, very unfortunately, had a couple of mysteriously live wires. . or something but there was a circuit in the attic lights that was still live and I guess spliced into a . I'm trying to map all my circuits and prepare for replacing my knob and tube wiring. I have three boxes and when testing voltage I notice my central white wire isn't hot. I expect this to be the ground, but it has associated circuits that have no load. . Problem: Knob & Tube + conduit together in ceiling junction box. 3. Extend Knob and Tube .
He didn't mention, and I don't see any evidence of, knob and tube. In the basement I only see flexible conduit & junction boxes (though I suspect it's still cloth wire inside). Through an access panel in the eaves, I see more flex conduit. I don't see any tubes, and no holes where tubes could have been (so I don't see any evidence there used to .
The cable coming from the bottom of this box might seem similar to knob-and-tube. But it’s actually an early form of fabric and rubber insulated sheathed cable more similar to modern Romex. Today, we have electric ovens, clothes dryers, and central air conditioning that use a lot of electricity. . K&T wiring into modern metal junction boxes . I am replacing a ( hanging) ceiling fixture in the dining room and found only wires and no box ( see photos). There's no junction box and the wires are old and gnarly looking. The house was built in 1900, and while I believe most of the electrical has been redone, there may still be knob and tube in the ceiling. 300.16 Raceway or Cable to Open or Concealed Wiring. (A) Box, Conduit Body, or Fitting. A box, conduit body, or terminal fitting having a separately bushed hole for each conductor shall be used wherever a change is made from conduit, electrical metallic tubing, electrical nonmetallic tubing, nonmetallic-sheathed cable, Type AC cable, Type MC cable, or mineral . This is an example of attaching Romex to knob and tube and properly connecting knob and tube in a box
Do not leave a open splice in attic either get in a junction box or butt splice the wires especially in that old insulation! . The fact is, unaltered knob and tube is just as safe as romex as long as it isn't disturbed enough for the insulation (or the copper) to start breaking. This is not what you would call unaltered, though.Well I found a buried junction box in the wall that was the old kitchen lighting knob and tube and now I’ve made like 16 holes and taken up a floor board in my 3rd floor. It’s very invasive and messy and that’s why I put it off.
The key is working slowly and safely around the old knob and tube wiring. Making Connections with the Knob and Tube Wiring. Here are the step-by-step instructions for safely connecting the new wiring to the old knob and tube wires: Identify the live wire coming from the knob and tube - it will be wrapped around a ceramic knob. All wire connections must be in code-approved junction boxes. Any knob and tube junction box you can find in your house is guaranteed to fall short of code compliance and should be replaced. Keep in mind that any circuits that continue to utilize knob and tube wiring can overheat when you use them to power large appliances or multiple devices . Electrical - AC & DC - Correct way to splice knob and tube wiring. - I purchased my home 6moths ago. I would like to install some exterior motion detector flood lights and tap into the power supply in the attic. . It seems like the splice should be made inside of a junction box. The previous owner spliced into a line and used electrical tape . I'm still looking for the fittings. Along the way a friend reminded me that in one case we didn't have the correct fitting. After carefully reading the requirements and consulting with the inspector we ended up bringing the romex into a Bakelite switch box, a thermoset plastic as opposed to PVC or metal, and without cutting the wires running the neutral and hot through .
Where is everyone at when it comes to knob and tube? I’m under the impression that all wires should be terminated in a junction box. Thus most of these darn knob and tube jobs where they want new lighting don’t have a box. But cutting in a box half the time is such a pain and often times just makes things worse.I do not see anything to indicate Knob and Tube wiring. I do see a few armored cables with old rubber/cloth wires, which are likely original to 1927 or at least pre-date 1950. The junction box shown here looks like it might actually be an old . The old kitchen was served by knob and tube (K&T). We are abandoning all of it. We can't remove all of it because some of it. Menu. Home. . (Oh, it is not possible to bring it into a junction box, so let's eliminate that answer.) Any photos would be greatly appreciated. Thanks, David . acrwc10 . No need for a box or a blank. Only splices .
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I opened up a floor and found some live knob and tube spliced together with a wire nut (K&T to K&T). I know right off the bat that it's not kosher because there's no junction box, but is that the only problem? If I slap it into a junction box with an access plate in the floor, would it be acceptable, even if out dated?
Knob and tube is actually pretty safe, because conductors are widely separated ; regular 12/2 w/ ground cable will short out, if it burns, gets chewed by mice, etc- the conductors are right next to each other, separated only by plastic. Knob and tube won't. And it's tied into a junction box, which is proper- no dumb splices sitting out in the .
This is a ceiling ‘junction box’. I went to install a fan to replace the IKEA light fixture but I couldn’t find a ground. I’m moving into this house this weekend and I don’t need any more nasty surprises . What’s left of it but yes, that looks like your typical knob and tube.I see no trace of knob and tube in the attic - there is some wiring but it all looks modern. In the basement is the breaker box and more modern wiring. There is some knob and tube though. I've included a couple of pictures - one is an old looking light socket and the second is a modern looking outlet box wired into knob and tube.Eh, I’ll vote for mini split. Unless you have evidence of shady knob and tube practices (fraying, unprotected junction boxes, it’s covered with insulation - this is where the fire risk comes from, etc), if it ain’t broke, don’t fix it. I say this as a realtor who still .
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Today I’m writing about oldey-time knob and tube wiring which is still commonly found in vintage dwellings across Canada. . in a cable, in this system the two wires run separately and only come together at a terminal (switch, receptacle, or junction box). Furthermore, knob and tube wiring does not provide a third wire for grounding and is .isit ok to run romex off knob &tube - Jack 7/11/2012 Reply: No. Do not extend knob and tube electrical circuits. Mixing knob & tube with romex is not safe - Bruse. k&t should never be spliced into to extend the circuit. When k&t was around it was used primarily only for lighting and other light load on the wiring. 300.16 Raceway or Cable to Open or Concealed Wiring (A) Box or Fitting A box or terminal fitting having a separately bushed hole for each conductor shall be used wherever a change is made from conduit, electrical metallic tubing, electrical nonmetallic tubing, nonmetallic-sheathed cable, Type AC cable, Type MC cable, or mineral-insulated, metal-sheathed cable .
I am a general contractor and am considering purchasing a home to renovate and noticed that there are a couple of places in the basement where knob and tube is spliced to romex in a junction box. Is this allowed in the state of Washington under nec 2020? Seller claims it’s ok but has not furnished any permits.
wiring knob and tube problems
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knob and tube no junction box|tracing knob and tube wiring