Also known as a j-box, a container for making electrical connections (or junctions) to the main power supply, such as for outlets, switches or light fixtures.
NCIDQ Exam Glossary Terms - J
Important NCIDQ Glossary Terms to know for the IDFX, IDPX, and Practicum Exams.
Learn about the NCIDQ Exam!
We answer your questions about when and how to apply, register, take and pass the NCIDQ Exam.
