Take this weekly quiz to test your knowledge of the 2023 National Electrical Code (NEC) requirements. The Code Quiz features three questions that are presented in a Fill-in-the-Blank or Multiple ...

Courtesy of www.MikeHolt.com. All questions and answers are based on the 2023 NEC. Q1: Fire alarm circuit cables and conductors installed exposed on the surface of ceilings and sidewalls shall be ...

Electrical wires and screw terminals have a color code, which helps you match each wire to the correct terminal. The wire color code is helpful in preventing errors and assesing and remembering ...

DAVENPORT, Iowa — It's not exactly how most guys want to spend their Saturday, hitting the books in what feels like a college lecture. But electrical workers, inspectors and even competing contractors ...