can i use plastic knockout plugs in a metal box I’m not finding anything that prohibits a metal two screw connector from being installed in a plastic box (Box has spots you can KO)? I see something in 314.3— it allows (if . Find sheet metal at Lowe's today. Shop metal sheets of steel, aluminum, tin, and .
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What is the NEC compliant method for plugging an unused knockout hole where a conduit connector used to be? I see different types - the pop in friction fit, and the mechanical fastener fit with a screw or wing nut. . Use a metal electrical box when metal-sheathed cable (also called armored BX cable) or metal conduit runs in or out of the box. Metal cable and conduit depend on the . I’m not finding anything that prohibits a metal two screw connector from being installed in a plastic box (Box has spots you can KO)? I see something in 314.3— it allows (if . Cables which have a Metal jacket can only be connected to a metal box unless the plastic box is made with a bonding strap that would connect all of the factory knock outs to each other. That type of plastic box is quite rare.
I would have to agree that a metal box with metal KO seals fully constitutes a complete assembly. As far as plastic KO seals, personally I would reserve those for LV, Comm .
I would like to cut in a plastic box with a metal faceplate with knock out, and 90 degree connector to give the MC cable a clean, flush finish. I guess maybe the solution is to . You can use plastic covers on metal boxes. Metal covers require that you use a proper method to ground them as well. Typically being screwed to a grounded metal box or a . If you do want to reinstall, I recommend using the heavier duty plastic boxes or metal boxes. From experience, the thicker blue boxes made by Carlon* are less susceptible to .Is it ok to use a metal knockout seal on a plastic junction box for my dryer? They make plastic ones. Is it a slip hub, threaded hub, or just a hole you drilled out? Probably best to just find .
We use the Arlington plastic ones all the time. IF you can access the "outside" of the box, then that is where we insert them from. IF NOT, then push `em out from the inside, as that is where you can see them.
What is the NEC compliant method for plugging an unused knockout hole where a conduit connector used to be? I see different types - the pop in friction fit, and the mechanical fastener fit with a screw or wing nut. Does the Code call for any particular type? Use a metal electrical box when metal-sheathed cable (also called armored BX cable) or metal conduit runs in or out of the box. Metal cable and conduit depend on the contact from its metal sheathing to the metal box to complete grounding. I’m not finding anything that prohibits a metal two screw connector from being installed in a plastic box (Box has spots you can KO)? I see something in 314.3— it allows (if bonded) on raceways or MC cable—but what about NM metal cable connectors?
plastic junction box with knockouts
Cables which have a Metal jacket can only be connected to a metal box unless the plastic box is made with a bonding strap that would connect all of the factory knock outs to each other. That type of plastic box is quite rare. I would have to agree that a metal box with metal KO seals fully constitutes a complete assembly. As far as plastic KO seals, personally I would reserve those for LV, Comm and FA closures. We'll check with AHJD for their view as well. I would like to cut in a plastic box with a metal faceplate with knock out, and 90 degree connector to give the MC cable a clean, flush finish. I guess maybe the solution is to give up on the plastic box and cut in a metal box. You can use plastic covers on metal boxes. Metal covers require that you use a proper method to ground them as well. Typically being screwed to a grounded metal box or a grounded device (receptacle/switch) suffices.
If you do want to reinstall, I recommend using the heavier duty plastic boxes or metal boxes. From experience, the thicker blue boxes made by Carlon* are less susceptible to trap door failure. *Other manufactures might make this style box as well, but Carlon is the only one I've seen in my area.
Is it ok to use a metal knockout seal on a plastic junction box for my dryer? They make plastic ones. Is it a slip hub, threaded hub, or just a hole you drilled out? Probably best to just find another PVC box with the correct number of entrances and outlets. I would not unless the metal part is connected to earth 🤣. We use the Arlington plastic ones all the time. IF you can access the "outside" of the box, then that is where we insert them from. IF NOT, then push `em out from the inside, as that is where you can see them.
What is the NEC compliant method for plugging an unused knockout hole where a conduit connector used to be? I see different types - the pop in friction fit, and the mechanical fastener fit with a screw or wing nut. Does the Code call for any particular type? Use a metal electrical box when metal-sheathed cable (also called armored BX cable) or metal conduit runs in or out of the box. Metal cable and conduit depend on the contact from its metal sheathing to the metal box to complete grounding. I’m not finding anything that prohibits a metal two screw connector from being installed in a plastic box (Box has spots you can KO)? I see something in 314.3— it allows (if bonded) on raceways or MC cable—but what about NM metal cable connectors? Cables which have a Metal jacket can only be connected to a metal box unless the plastic box is made with a bonding strap that would connect all of the factory knock outs to each other. That type of plastic box is quite rare.
I would have to agree that a metal box with metal KO seals fully constitutes a complete assembly. As far as plastic KO seals, personally I would reserve those for LV, Comm and FA closures. We'll check with AHJD for their view as well. I would like to cut in a plastic box with a metal faceplate with knock out, and 90 degree connector to give the MC cable a clean, flush finish. I guess maybe the solution is to give up on the plastic box and cut in a metal box.
You can use plastic covers on metal boxes. Metal covers require that you use a proper method to ground them as well. Typically being screwed to a grounded metal box or a grounded device (receptacle/switch) suffices. If you do want to reinstall, I recommend using the heavier duty plastic boxes or metal boxes. From experience, the thicker blue boxes made by Carlon* are less susceptible to trap door failure. *Other manufactures might make this style box as well, but Carlon is the only one I've seen in my area. Is it ok to use a metal knockout seal on a plastic junction box for my dryer? They make plastic ones. Is it a slip hub, threaded hub, or just a hole you drilled out? Probably best to just find another PVC box with the correct number of entrances and outlets. I would not unless the metal part is connected to earth 🤣.
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can i use plastic knockout plugs in a metal box|electrical knockout plugs 7 8