direct burial junction boxes I don't even like triple boxes :laughing:, not a single one in the house Sunroom & kitchen I have 4 quad boxes spread around I use the 2x & 3x switches to avoid larger boxes In the bar area I may have a larger switch box for the lights in the great room - .
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0 · waterproof underground electrical junction box
1 · waterproof in ground junction box
2 · waterproof direct burial junction box
3 · underground waterproof junction box
4 · ground level electrical junction box
5 · electrical direct burial pull box
6 · direct bury electrical junction box
7 · direct burial electrical junction boxes
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Rugged Carlon® junction boxes and NEMA enclosures offer all the corrosion resistance and physical properties you need for applications ranging from the industrial floor to direct burial.Rugged Carlon® junction boxes and NEMA enclosures offer all the corrosion resistance and physical properties you need for applications ranging from the industrial floor to direct burial.
This is a nasty little problem to have. Direct burial cable can be spliced with a direct burial splice kit. As you note, however, you can't use a splice kit if it will be in conduit! There is no such thing as a buried junction box (OK, people bury . Article 314-29 of the National Electrical Code states that listed junction boxes may be buried without excavating parts of buildings, sidewalks, other paving, or earth. Listed boxes can only be covered by gravel, light aggregate, or non-cohesive granulated soil if their location is effectively identified and accessible for excavation. I would like to use a single cable (I.e. no junction boxes) and avoid using conduit (except where required entering and exiting the ground). I am planning on running USE-2 (direct burial) rated 1/0 aluminum cable (3 conductors L1, L2, neutral) and running a stake into the ground at my sub-panel for my earth ground.
I don't even like triple boxes :laughing:, not a single one in the house Sunroom & kitchen I have 4 quad boxes spread around I use the 2x & 3x switches to avoid larger boxes In the bar area I may have a larger switch box for the lights in the great room - . Junction boxes are required when changing wire types. I guess he could sleeve one end and put his panel on top of the sleeve. Not like the drawing. I know the wire would fit in a 1.25" conduit, would not be a lot of fun to pull. Personally I would go directly from the electrical service to the barn panel. Save the lateral distance.
So have this conduit go into an "LB conduit body" straight up, to a junction box floating in the air above it, except put a 2x4 across the floor joists to give something to physically support the junction box. And if needed the same thing on the other end. Nice big junction box. Probably a 4-11/16" or 6" box. Big splices going in there!
The junction boxes for large wires are positively enormous and you'll want some engineering help sizing those boxes. You can put all the wires in one huge conduit. The oversizing you are doing for voltage drop purposes more than takes care of . The cable for each light box goes through a conduit and up to a "deck Box" or junction box per code so water from pool can't run up to the box. In order to change the lights we need to locate the box and pull the wires out, then feed the wires through for the new light. The problem is that one of the boxes seems to be missing. stickyboy - I cannot find where the NEC disallows EMT for burial, or calls out a depth different than 6", with exception that "supplemental corrosion protection" may be required. Depths greater than 6" seem to be written in paragraphs mentioning PVC, direct burial wire, etc.
also it should be noted that the section of metallic conduit servicing the pool light dives down about 5' into the earth( the section of conduit on the left), and is covered by slab about 6" thick. i am not going to replace this conduit untill it becomes necessary. what i had planned initially is to place the burried valve box over the section .
This is a nasty little problem to have. Direct burial cable can be spliced with a direct burial splice kit. As you note, however, you can't use a splice kit if it will be in conduit! There is no such thing as a buried junction box (OK, people bury . Article 314-29 of the National Electrical Code states that listed junction boxes may be buried without excavating parts of buildings, sidewalks, other paving, or earth. Listed boxes can only be covered by gravel, light aggregate, or non-cohesive granulated soil if their location is effectively identified and accessible for excavation. I would like to use a single cable (I.e. no junction boxes) and avoid using conduit (except where required entering and exiting the ground). I am planning on running USE-2 (direct burial) rated 1/0 aluminum cable (3 conductors L1, L2, neutral) and running a stake into the ground at my sub-panel for my earth ground. I don't even like triple boxes :laughing:, not a single one in the house Sunroom & kitchen I have 4 quad boxes spread around I use the 2x & 3x switches to avoid larger boxes In the bar area I may have a larger switch box for the lights in the great room - .
Junction boxes are required when changing wire types. I guess he could sleeve one end and put his panel on top of the sleeve. Not like the drawing. I know the wire would fit in a 1.25" conduit, would not be a lot of fun to pull. Personally I would go directly from the electrical service to the barn panel. Save the lateral distance.
So have this conduit go into an "LB conduit body" straight up, to a junction box floating in the air above it, except put a 2x4 across the floor joists to give something to physically support the junction box. And if needed the same thing on the other end. Nice big junction box. Probably a 4-11/16" or 6" box. Big splices going in there! The junction boxes for large wires are positively enormous and you'll want some engineering help sizing those boxes. You can put all the wires in one huge conduit. The oversizing you are doing for voltage drop purposes more than takes care of . The cable for each light box goes through a conduit and up to a "deck Box" or junction box per code so water from pool can't run up to the box. In order to change the lights we need to locate the box and pull the wires out, then feed the wires through for the new light. The problem is that one of the boxes seems to be missing.
stickyboy - I cannot find where the NEC disallows EMT for burial, or calls out a depth different than 6", with exception that "supplemental corrosion protection" may be required. Depths greater than 6" seem to be written in paragraphs mentioning PVC, direct burial wire, etc.
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direct burial junction boxes|waterproof in ground junction box