Does 220v In Attic Require Conduit

Sal from the information you have provided if the basement area is unfinished then 220volt type nm or ser cables may be installed the same way electrical wiring is installed through an attic or crawl space as long as it is properly supported and protected.

Does 220v in attic require conduit.

The amount of wire fill inside any electrical conduit does not imply how many wires can be stuffed into the conduit but rather how many wires of the right type may be safely installed to prevent overheating of the electrical wiring. This is especially true when you need to curve the wires around a bend which further limits the space inside the conduit. A favorite target of electrical inspectors is the improper use of non metallic cable nm in exposed locations such as basement foundation walls or along the face of studs and joists in unfinished framed spaces. Uses permitted nec 400 10 but more importantly uses not permitted 400 12.

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. Spacing is a major factor in deciding whether to use conduit. The national electrical code which is the basis for all local building codes has specific regulations for installing electrical wires so that they are protected from damage. First you cannot use se.

The volume of regulators inside the conduit is limited by code so it might not work to use conduit. Now i have someone telling me that this is not within code. A conduit that will be used for an electrical project must be approved for the application.