Junction Box Electrical Back Box Sizes

Suppose you have a 2 inch raceway coming into a 10 inch square box and a 2 inch raceway leaves it on the opposite side.

Junction box electrical back box sizes.

They are shaped like boxes but have no back. Different electrical box sizes fit varying installation needs. Choose from a variety of sizes and shapes box depths that range from 1 2 to 4 deep and accommodations for one to six gangs. The national electrical code article 314 contains complete details and tables of electrical box sizes in dimensions and cubic inches and should be consulted for complete accuracy because the actual size of the box required in cubic inches depends on the number of wires that will be within that enclosure.

When you re working on electrical wiring and need an electrical box come to grainger for quality and durability. Use 314 28 a to size pull boxes junction boxes and conduit bodies when using conductor sizes 4 awg and larger. Old work electrical box 1 2 3 4 gang. Plus one universal electrical wall box 1 gang 10 cu.

Grainger carries a junction box selection to help you meet a wide range of different electrical wiring needs. Box extenders or extension rings come in a variety of sizes and shapes to match standard electrical boxes. Typical electrical junction boxes. A standard rectangular shape is the most common electrical box.