The site navigation utilizes arrow, enter, escape, and space bar key commands. Left and right arrows move across top level links and expand / close menus in sub levels. Up and Down arrows will open main level menus and toggle through sub tier links. Enter and space open menus and escape closes them as well. Tab will move on to the next part of the site rather than go through menu items.

Code Question of the Day

The Code Question of the Day (CQD) is NECA and ELECTRICAL CONTRACTOR Magazine’s flagship National Electrical Code (NEC®) public forum for the industry. The daily distribution of Q&A generates a lively dialogue and shares relative Code-based practical responses.

?

April 25, 2025

Question:

My co-workers are laughing at me because I ask this question, but they don’t seem to be able to answer the question. What is the difference between a load center and a panelboard? They say there’s no difference. Thank you, Kevin S.

?

April 24, 2025

Question:

Hello CQD and thank you for your continued contributions to the industry.  Is an Intersystem Bonding Termination (IBT) required for a new feeder to an existing detached garage? Mark E.

A

Answer:

Thank you for the compliment and your contribution, Mark.  Yes an IBT is required at the disconnecting means for any building or structure that are supplied by a branch circuit or feeder per 250.94(A).