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IEEE C37.20.1a-2020
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IEEE C37.20.1a-2020 IEEE Standard for Metal-Enclosed Low-Voltage (1000 V ac and below, 3200 V dc and below) Power Circuit Breaker Switchgear - Amendment 1: Control and Secondary Circuits and Devices, and All Wiring
Amendment by IEEE, 05/13/2020
Full Description
Scope
Align the wiring requirements of this standard with; C37.20.2, C37.20.3, C37.20.9 and C37.21. This amendment will focus on sub clause 7.1.3.1, the wire used in switchgear.Abstract
Amendment Standard - Active.The 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.
M00091081
2021-02-20
New product
IEEE C37.20.1a-2020 IEEE Standard for Metal-Enclosed Low-Voltage (1000 V ac and below, 3200 V dc and below) Power Circuit Breaker Switchgear - Amendment 1: Control and Secondary Circuits and Devices, and All Wiring
Amendment by IEEE, 05/13/2020