attaching junction boxes to rafters When running the wiring across the face of the rafters, you need a running board per the NEC, or you'll need to chase the wiring through holes drilled into the rafters. $150.00
0 · running wire across rafters
1 · running cable across rafters
2 · electrical wiring across rafters
3 · electrical cables across rafters
4 · attic rafters cable boxes
5 · attic junction boxes
6 · attic junction box mounting
7 · attic junction box installation
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running wire across rafters
Junction boxes on rafters are fine but make sure there's at least 1.5" clearance from the back of the junction box to the outside edge of the rafter, since roof sheathing, properly installed, will be nailed with 1.5" penetration into . When running the wiring across the face of the rafters, you need a running board per the NEC, or you'll need to chase the wiring through holes drilled into the rafters. Mount the J-box to the side of a framing member, such as a wall stud, ceiling rafter or floor beam using two #8 by 1-inch wood screws. Mount the box in such a way that all the cables entering and leaving the box will be set . The junction boxes you want to install could be mounted either way. However, any wires the run over top of the horizontal beams in the attic need to be physically protected if within 6' of the attic opening or within 2' of the .
Nothing in the code book that I am aware for cable run on the bottom of rafters where they are not subject to mechanical damage. Junction box is accessible and it is even labelled (a bonus). Looks good to me. Those are cavity measurements, 1m or less so your not walking over wires laying over rafters and 900mm so you can access the junction box. My journey man has never instructed to drill out rafters. You can run a board or .Securely attach the junction box to a stud, rafter or joist. Use wire connectors to secure the wires into the junction box. Follow the National Electrical Code (NEC) when replacing a junction box.
Is it ok to mount a junction box to a roof truss support. They are 2x4 in size. The access to the attic is through a hole in my hallway that I have to get a ladder to go up through .Real answer (1) Either do it all in conduit (budget and time permitting) if you want it to be fancy, or (2) use MC cable to get it done quickly and efficiently. Either way, I'd bring it along at the top .Install proper bracing (a simple 2x4 between the rafters should be fine), and attach the electrical box to it. Then mark, and cut a hole for the electrical box in the soffit cover. Finish by putting . Junction boxes on rafters are fine but make sure there's at least 1.5" clearance from the back of the junction box to the outside edge of the rafter, since roof sheathing, properly installed, will be nailed with 1.5" penetration into the rafter .
When running the wiring across the face of the rafters, you need a running board per the NEC, or you'll need to chase the wiring through holes drilled into the rafters. Mount the J-box to the side of a framing member, such as a wall stud, ceiling rafter or floor beam using two #8 by 1-inch wood screws. Mount the box in such a way that all the cables entering and leaving the box will be set back at least 1 . The junction boxes you want to install could be mounted either way. However, any wires the run over top of the horizontal beams in the attic need to be physically protected if within 6' of the attic opening or within 2' of the opening if you have pull-down stairs into the attic area.
Nothing in the code book that I am aware for cable run on the bottom of rafters where they are not subject to mechanical damage. Junction box is accessible and it is even labelled (a bonus). Looks good to me. Those are cavity measurements, 1m or less so your not walking over wires laying over rafters and 900mm so you can access the junction box. My journey man has never instructed to drill out rafters. You can run a board or duck in and out if .
Securely attach the junction box to a stud, rafter or joist. Use wire connectors to secure the wires into the junction box. Follow the National Electrical Code (NEC) when replacing a junction box.
Is it ok to mount a junction box to a roof truss support. They are 2x4 in size. The access to the attic is through a hole in my hallway that I have to get a ladder to go up through it. The junction box will be 10 feet from the access hole.
Real answer (1) Either do it all in conduit (budget and time permitting) if you want it to be fancy, or (2) use MC cable to get it done quickly and efficiently. Either way, I'd bring it along at the top plate of the wall . with conduit, a junction box .
Install proper bracing (a simple 2x4 between the rafters should be fine), and attach the electrical box to it. Then mark, and cut a hole for the electrical box in the soffit cover. Finish by putting the soffit cover back in place. Junction boxes on rafters are fine but make sure there's at least 1.5" clearance from the back of the junction box to the outside edge of the rafter, since roof sheathing, properly installed, will be nailed with 1.5" penetration into the rafter . When running the wiring across the face of the rafters, you need a running board per the NEC, or you'll need to chase the wiring through holes drilled into the rafters. Mount the J-box to the side of a framing member, such as a wall stud, ceiling rafter or floor beam using two #8 by 1-inch wood screws. Mount the box in such a way that all the cables entering and leaving the box will be set back at least 1 .
The junction boxes you want to install could be mounted either way. However, any wires the run over top of the horizontal beams in the attic need to be physically protected if within 6' of the attic opening or within 2' of the opening if you have pull-down stairs into the attic area.
running cable across rafters
Nothing in the code book that I am aware for cable run on the bottom of rafters where they are not subject to mechanical damage. Junction box is accessible and it is even labelled (a bonus). Looks good to me. Those are cavity measurements, 1m or less so your not walking over wires laying over rafters and 900mm so you can access the junction box. My journey man has never instructed to drill out rafters. You can run a board or duck in and out if .
Securely attach the junction box to a stud, rafter or joist. Use wire connectors to secure the wires into the junction box. Follow the National Electrical Code (NEC) when replacing a junction box. Is it ok to mount a junction box to a roof truss support. They are 2x4 in size. The access to the attic is through a hole in my hallway that I have to get a ladder to go up through it. The junction box will be 10 feet from the access hole. Real answer (1) Either do it all in conduit (budget and time permitting) if you want it to be fancy, or (2) use MC cable to get it done quickly and efficiently. Either way, I'd bring it along at the top plate of the wall . with conduit, a junction box .
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attaching junction boxes to rafters|attic junction box installation