IEEE Std 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
- Standard No.
- IEEE Std C37.20.1a-2020
- Release Date
- 2020
- Published By
- Institute of Electrical and Electronics Engineers (IEEE)
- Latest
- IEEE Std C37.20.1a-2020
- Scope
- 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.
IEEE Std C37.20.1a-2020 history
- 2020 IEEE Std 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
- 0000 IEEE Std C37.20.1A-2005(R2007)
- 2005 IEEE Std C37.20.1a-2005 Metal-enclosed low-voltage power circuit breaker switchgear - Amendment 1: Short-time and short-circuit withstand current tests - Minimum areas for multiple cable connections
