Active standard | Published: 01/07/2020

IEEE C37.21a-2020 Change

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

Available languages: English

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Detail information

Designation: IEEE C37.21a-2020

Publication date: 01/07/2020

Pages: 16

Note: Change

Country: International technical standard

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Anotation

Amendment Standard - Active.
Requirements for control, secondary, and logic-level wiring are addressed in this amendment. It covers wire type, ampacity, and methods for protecting wiring across a hinge.

ISBN: 978-1-5044-6572-4, 978-1-5044-6573-1
Number of Pages: 16
Product Code: STD24124, STDPD24124
Keywords: benchboard, console, control desk, control switchboard, dead-front switchboard, dual benchboard, duplex benchboard, enclosed switchboard, fixed rack cabinet, IEEE C37.21, IEEE C37.21a, swing rack cabinet, vertical switchboard
Category: Switchgear

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