• Shopping Cart
    There are no items in your cart

IEEE C37.21a:2020

Current

Current

The latest, up-to-date edition.

IEEE Standard for Control Switchboards--Amendment 1: Control and Secondary Circuits and Devices, and All Wiring

Amendment of

IEEE C37.21-2017

Published date

01-07-2020

Sorry this product is not available in your region.

Committee
Switchgear
DocumentType
Amendment
PublisherName
Institute of Electrical & Electronics Engineers
Status
Current

Align the wiring requirements of this standard with; IEEE C37.20.1, IEEE C37.20.2, IEEE C37.20.3, and IEEE C37.20.9.

Sorry this product is not available in your region.