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IEEE C37.21a-2020

IEEE Standard for Control Switchboards--Amendment 1: Control and Secondary Circuits and Devices, and All Wiring

IEEE, 07/01/2020

Publisher: IEEE

File Format: PDF

$28.00$56.00


Published:01/07/2020

Pages:13

File Size:1 file , 540 KB

Note:This product is unavailable in Russia, Ukraine, Belarus

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.

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