2 wire romex in my house with metal boxes Nonmetallic, or NM, cable (commonly known by the brand name Romex) must be secured to electrical boxes at the point where the cable enters the box. This code requirement is an important safety feature that protects the wiring . $13.68
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I have come across a house thats wired with 2 wire cloth romex. Obviously no grounds at all the metal boxes. Is there a way to ground everything without rewiring the whole .
You always connect the egc (equipment ground wire) of the romex to the box. If the receptacle or switch is the self grounding type and you use it in a proper metal box you . My old house had a number of 2-prong receptacles, but I noticed that they were all wired with 2-wire BX to metal boxes, so I assumed (and checked) that grounded outlets would .
I have come across a house thats wired with 2 wire cloth romex. Obviously no grounds at all the metal boxes. Is there a way to ground everything without rewiring the whole house?
Nonmetallic, or NM, cable (commonly known by the brand name Romex) must be secured to electrical boxes at the point where the cable enters the box. This code requirement is an important safety feature that protects the wiring . You always connect the egc (equipment ground wire) of the romex to the box. If the receptacle or switch is the self grounding type and you use it in a proper metal box you would not be required to connect it, via the green screw on the metal yoke, to the egc of the romex. My old house had a number of 2-prong receptacles, but I noticed that they were all wired with 2-wire BX to metal boxes, so I assumed (and checked) that grounded outlets would be allowed. However, if it had been wired with 2-wire Romex, could I . The metal junction box has knockout holes to run my 14-2 (with ground) wire. I was surprised that the J-box didn't come with grommets after knocking out the hole. Are they required in this application and where does one buy them?
There are a couple of ways to deal with two-wire Romex or knob and tube. It's legal to exchange a two-prong receptacle for a GFCI receptacle or to put the whole circuit behind a GFCI breaker. However, you may not be able to get the GFCI breaker to hold, because old circuits tend to have some ground leaking. You MUST terminate both wires in a metal box. Put the NM ground wire under a ground screw in the threaded hole in the back of the box, every metal box has one. Then just make sure the BX connector is nice and tight in the box.
Here are some places where Romex wire is commonly found. One- and two-family dwellings. Romex and other NM cable can be used in houses and duplexes to wire lights, receptacles and other common power needs, including in attached and detached garages and outbuildings such as storage sheds.
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I am replacing some ungrounded 50 year old 2 wire romex with Metal Clad flex cable and was hoping to use the boxes that are in place. They were installed in the 1960's, 2"x3"x2 1/4" in width, height, depth. I reside in CT - Anyone know if I can run my indoor Romex wire through house wall into a metal junction box? From there I'll run Schedule 40 with THHN wire out to endpoints. Core question here is - Can I run Romex through house wall into waterproof junction box mounted on outside wall and still fall within code? I have come across a house thats wired with 2 wire cloth romex. Obviously no grounds at all the metal boxes. Is there a way to ground everything without rewiring the whole house?
Nonmetallic, or NM, cable (commonly known by the brand name Romex) must be secured to electrical boxes at the point where the cable enters the box. This code requirement is an important safety feature that protects the wiring . You always connect the egc (equipment ground wire) of the romex to the box. If the receptacle or switch is the self grounding type and you use it in a proper metal box you would not be required to connect it, via the green screw on the metal yoke, to the egc of the romex. My old house had a number of 2-prong receptacles, but I noticed that they were all wired with 2-wire BX to metal boxes, so I assumed (and checked) that grounded outlets would be allowed. However, if it had been wired with 2-wire Romex, could I .
The metal junction box has knockout holes to run my 14-2 (with ground) wire. I was surprised that the J-box didn't come with grommets after knocking out the hole. Are they required in this application and where does one buy them? There are a couple of ways to deal with two-wire Romex or knob and tube. It's legal to exchange a two-prong receptacle for a GFCI receptacle or to put the whole circuit behind a GFCI breaker. However, you may not be able to get the GFCI breaker to hold, because old circuits tend to have some ground leaking.
You MUST terminate both wires in a metal box. Put the NM ground wire under a ground screw in the threaded hole in the back of the box, every metal box has one. Then just make sure the BX connector is nice and tight in the box.
Here are some places where Romex wire is commonly found. One- and two-family dwellings. Romex and other NM cable can be used in houses and duplexes to wire lights, receptacles and other common power needs, including in attached and detached garages and outbuildings such as storage sheds. I am replacing some ungrounded 50 year old 2 wire romex with Metal Clad flex cable and was hoping to use the boxes that are in place. They were installed in the 1960's, 2"x3"x2 1/4" in width, height, depth.
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2 wire romex in my house with metal boxes|fixing nm cable to metal box