Use 314.28(A) to size pull boxes, junction boxes, and conduit bodies when using conductor sizes 4 AWG and larger. Suppose you have a 2-inch raceway coming into a 10-inch square box, and a 2-inch ...

The humble junction box might not be what you think of when you think of your home's electricity, and you might even wonder what it does. Do you even need one?

IEC standard for module junction boxes and advantage of Hi-MO 5. Modules and junction boxes are certified according to IEC 61215 and 62790 standards, ...