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Main page>IEEE Standards>29 ELECTRICAL ENGINEERING>29.130 Switchgear and controlgear>29.130.20 Low voltage switchgear and controlgear>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
Released: 13.05.2020

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

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Standard number:IEEE C37.20.1a-2020
Released:13.05.2020
ISBN:978-1-5044-6555-7
Pages:16
Status:Active
Language:English
DESCRIPTION

IEEE C37.20.1a-2020

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.



Amendment Standard - Superseded. 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.
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