Does Wire In An Attic Have To Be In Conduit

When running a feeder wire s for a sub panel within the same structure a wood shop what type of wire can be used.

Does wire in an attic have to be in conduit.

It is accepted practice to run only individual thhn conductors or another approved form of wire inside the conduit. All conductors are required to be insulated per section 310 2 a however the exception states bare conductors are allowed where permitted by other sections of the code such as 250 119 which states egc can be bare covered or insulated. While the national electrical code does not expressly forbid inserting nm cable inside conduit in practice it is very difficult to do so and very few professional electricians will do such an installation. The types of wire most commonly installed inside of conduit are thhn and thwn.

Bare ground in conduit. Code requires that romex be installed in a conduit. Thhn thwn wires are individual insulated and color coded wires. The most common type of cable used in home wiring is non metallic nm or romex cable.

Conduit also protects your wires from exposed surfaces such as rough bricks in a basement. It will be easier to repair wires if there is a short in the line. To give more detail the current load center is flush mounted in the wall and my wire will be running up through the wall and the top plate into the attic. While nm cable can be run inside conduit this is seldom done.

I m building a new home outside the city limits in liberty county in texas my electrician ran the main power feed wire from the meter through the exterior wall up into the attic and down into the breaker panel without any conduit. No you do not need conduit also there is a wire staple any hardware should have them your better off running it as is when you put wire in conduit it creates heat not good.