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C37.21a-2020 - IEEE Standard for Control Switchboards--Amendment 1: Control and Secondary Circuits and Devices, and All Wiring | IEEE Standard | IEEE Xplore
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C37.21a-2020 - IEEE Standard for Control Switchboards--Amendment 1: Control and Secondary Circuits and Devices, and All Wiring

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Abstract:

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 hin...Show More
Scope: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. This amendment will focus on sub clause 7.1.5, the wi...Show More

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Abstract:

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.
Scope:
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. This amendment will focus on sub clause 7.1.5, the wire used in switchboards.
Date of Publication: 01 July 2020
Electronic ISBN:978-1-5044-6572-4
DOI: 10.1109/IEEESTD.2020.9130995
ICS Code: 29.130.99 - Other switchgear and controlgear
Persistent Link: https://ieeexplore.ieee.org/servlet/opac?punumber=9130993
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