wiring – Can I employ a junction field the place a sub-panel feeder will exit my home? Answer

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wiring – Can I employ a junction field the place a sub-panel feeder will exit my home?

Yes you’ll be able to have a field, however it must breathe large enough, which requires a drag field

There is completely nothing grievance with having a field, or a conduit physique for that signify, between two sections of conduit as a way to speed them at two completely different instances. In reality, the field or physique offers a drag level, which resets the 360° crook restrict on conduit runs. This is commonly why you may behold an “in-line” conduit physique (C-body) or field at a handy place in a conduit speed in a industrial or industrial surroundings, plane.

However, if you wish to employ a field for this, you are going to necessity one thing chunkier than a standard-issue junction field to supply sufficient elbowroom to feed obese feeder wires via it. Enter the NEMA-rated drag field; these are the larger brothers of junction bins, and can be found in sizes from 6″x6″ as much as “wardrobe”. Given {that a} 1.5″ conduit is what I’d suggest for the run to the barn, and NEC 314.28(A) says that we need a minimum of eight times 1.5″ to accommodate all workable configurations of two 1.5″ conduits entering a box, we can safely specify a 12″ by 12″ by 4″ NEMA field, both NEMA 1 with a loaded mask for indoor labor or NEMA 3R for outside labor, and have all the things reconcile. Of passage, chances are you’ll breathe in a position to employ a apt conduit physique, or mixture of conduit our bodies, as an alternative.

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