IEEE PC37.20.2a/D9, October 2019
IEEE Approved Draft Standard for Metal-Clad Switchgear Amendment 1: Control and Secondary Circuits and Devices, and All Wiring

Standard No.

IEEE PC37.20.2a/D9, October 2019

Release Date

2020

Published By

Institute of Electrical and Electronics Engineers (IEEE)

Scope

This amendment addresses the requirements for control, secondary, and logic-level wiring. It covers wire type, ampacity, and methods for protecting wiring across a hinge.