344.6 Rigid Metal Conduit. Listing Requirements.

Aluminum RMC is a nonferrous raceway.
Click to Enlarge
Aluminum RMC is a nonferrous raceway.

MA amendments.

344.6 Listing Requirements.

RMC, factory elbows and couplings, and associated fittings shall be listed.

344.6. Add an exception as follows:

Exception: Rigid metal conduit made from nonferrous metals other than aluminum shall be permitted to be approved.

Click here to see the Massachusetts amendments to the 2023 NEC®.

Did You Like This? Let Us Know With A Like! Thanks!

344.6 Rigid Metal Conduit. Listing Requirements.

Below is a Real Question from our Electrical Continuing Education Courses for Electrical License Renewal:

Which of the following is true regarding rigid metal conduit (RMC) as amended in Massachusetts?

A: Aluminum RMC elbows are NOT required to be listed.
B: Aluminum RMC is NOT required to be listed.
C: Galvanized ferrous steel RMC can be either listed or approved.
D: Rigid metal conduit made from nonferrous metals other than aluminum shall be permitted to be approved.
Please register or sign in for electrical continuing education courses.

If you were already signed in, your session probably expired, please sign back in.