IEEE C37.21a-2020
Withdrawn
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
IEEE Standard for Control Switchboards--Amendment 1: Control and Secondary Circuits and Devices, and All Wiring
Published date
01-07-2020
Withdrawn date
28-02-2026
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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.
| Committee |
Switchgear
|
| DocumentType |
Standard
|
| PublisherName |
Institute of Electrical & Electronics Engineers
|
| Status |
Withdrawn
|
| IEEE C37.30.6-2023 | IEEE Guide for Electric Motor Operators Applied to High‐Voltage Air Switches Rated Above 1000 V |
Summarise
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