can you have 2 electrical boxes in the same bay It could have to do with fire code, not necessarily electrical code. If you have boxes within 24" of each other in a fire rated wall, at least one of them has to be sealed with fire putty. It is about air flow, and penetrations to the firewall and has nothing to do with electrical. Octagon (ceiling) box screws are 8-32. Wall box screws are 6-32. Fan support box screws and ground connection screws are 10-32. Both ceiling and wall box screws are .
0 · electrical receptacle box separation
1 · electrical box offset spacing
Your pilot-hole drill-bit size will depend on the size of your sheet metal screw. A size-4 screw should have a pilot-hole drill size of 3/32 inches; size 6, 7/64 inches; size 8, 1/8 inches; size 10, 9/64 inches; size 12, 5/32 inches; .
It could have to do with fire code, not necessarily electrical code. If you have boxes within 24" of each other in a fire rated wall, at least one of them has to be sealed with fire putty. It is about air flow, and penetrations to the firewall and has nothing to do with electrical. Two 1-1/2" deep 4" sq boxes are 3" total and will fit back to back in a 3-1/2" stud wall. Thanks for the replies. I was thinking there was some rule about back to back boxes in a . Is it permissible to install an indoor-facing and outdoor facing pair of receptacle boxes in the same wall stud bay? What offset spacing is required between two such electrical boxes in the same framing cavity, and why? This . Yes you can, as long as you keep the conductors separated. However, you should likely avoid it if possible. Common practice is to keep power and communications circuits in separate stud bays.
The wall assembly as identified in the UL (or other) listing should help you with the required separation. There are also fire resistive "pad" kits to cover the boxes if you must be in .
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Box 2 can be in the same stud cavity, but should be offset to the side because the boxes are generally thicker than half the wall. You also want space for the wire to bend and travel. The . A typical breaker box will just barely fit between 16” studs in a 2x4 wall. The box (called a “tub” in trade lingo) will completely fill the stud cavity in a 2x4 wall, for the entire .
electrical receptacle box separation
I think that's all covered pretty well in the UL orange book, but the two main things to remember for old work is that the box must be physically attached to the stud, and you can't . For instance, if you install an outdoor outlet (sw, light or recep) in the same bay as an indoor outlet then you need them. "If the doors of perception were cleansed everything would appear to man as it is, Infinite. William Blake. .
Boxes in a fire rated wall are not allowed in the same stud bay or back to back. Answers based on the National Electrical Code. Local amendments may apply. Check with your local building officials. Or you could put . It could have to do with fire code, not necessarily electrical code. If you have boxes within 24" of each other in a fire rated wall, at least one of them has to be sealed with fire putty. It is about air flow, and penetrations to the firewall and has nothing to do with electrical. Two 1-1/2" deep 4" sq boxes are 3" total and will fit back to back in a 3-1/2" stud wall. Thanks for the replies. I was thinking there was some rule about back to back boxes in a stud space but couldn't find it in the NEC code book. So localities could prohibit it as far as fire codes it appears.
Is it permissible to install an indoor-facing and outdoor facing pair of receptacle boxes in the same wall stud bay? What offset spacing is required between two such electrical boxes in the same framing cavity, and why? This article series describes how to choose, locate, and wire an electrical receptacle in a home. Yes you can, as long as you keep the conductors separated. However, you should likely avoid it if possible. Common practice is to keep power and communications circuits in separate stud bays. The wall assembly as identified in the UL (or other) listing should help you with the required separation. There are also fire resistive "pad" kits to cover the boxes if you must be in the same stud cavity (all subject to the listing of the product and wall and approval by the AHJ). Box 2 can be in the same stud cavity, but should be offset to the side because the boxes are generally thicker than half the wall. You also want space for the wire to bend and travel. The hard part will be getting a new wire in to the old box and secured.
A typical breaker box will just barely fit between 16” studs in a 2x4 wall. The box (called a “tub” in trade lingo) will completely fill the stud cavity in a 2x4 wall, for the entire height of the panel. You can’t run anything behind the panel, it just won’t fit.
I think that's all covered pretty well in the UL orange book, but the two main things to remember for old work is that the box must be physically attached to the stud, and you can't have boxes in the same stud bay on two sides of that wall.
For instance, if you install an outdoor outlet (sw, light or recep) in the same bay as an indoor outlet then you need them. "If the doors of perception were cleansed everything would appear to man as it is, Infinite. William Blake. Those boxes are . Boxes in a fire rated wall are not allowed in the same stud bay or back to back. Answers based on the National Electrical Code. Local amendments may apply. Check with your local building officials. Or you could put fireblocking between the two (essetnially making them in different cavities). It could have to do with fire code, not necessarily electrical code. If you have boxes within 24" of each other in a fire rated wall, at least one of them has to be sealed with fire putty. It is about air flow, and penetrations to the firewall and has nothing to do with electrical. Two 1-1/2" deep 4" sq boxes are 3" total and will fit back to back in a 3-1/2" stud wall. Thanks for the replies. I was thinking there was some rule about back to back boxes in a stud space but couldn't find it in the NEC code book. So localities could prohibit it as far as fire codes it appears.
Is it permissible to install an indoor-facing and outdoor facing pair of receptacle boxes in the same wall stud bay? What offset spacing is required between two such electrical boxes in the same framing cavity, and why? This article series describes how to choose, locate, and wire an electrical receptacle in a home.
electrical box offset spacing
Yes you can, as long as you keep the conductors separated. However, you should likely avoid it if possible. Common practice is to keep power and communications circuits in separate stud bays.
The wall assembly as identified in the UL (or other) listing should help you with the required separation. There are also fire resistive "pad" kits to cover the boxes if you must be in the same stud cavity (all subject to the listing of the product and wall and approval by the AHJ). Box 2 can be in the same stud cavity, but should be offset to the side because the boxes are generally thicker than half the wall. You also want space for the wire to bend and travel. The hard part will be getting a new wire in to the old box and secured. A typical breaker box will just barely fit between 16” studs in a 2x4 wall. The box (called a “tub” in trade lingo) will completely fill the stud cavity in a 2x4 wall, for the entire height of the panel. You can’t run anything behind the panel, it just won’t fit.
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I think that's all covered pretty well in the UL orange book, but the two main things to remember for old work is that the box must be physically attached to the stud, and you can't have boxes in the same stud bay on two sides of that wall.
For instance, if you install an outdoor outlet (sw, light or recep) in the same bay as an indoor outlet then you need them. "If the doors of perception were cleansed everything would appear to man as it is, Infinite. William Blake. Those boxes are .
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can you have 2 electrical boxes in the same bay|electrical receptacle box separation