IEEE C37.21a-2020 PDF Download
$34.00
IEEE Standard for Control Switchboards–Amendment 1: Control and Secondary Circuits and Devices, and All Wiring
Amendment by IEEE, 07/01/2020
Document Format: PDF
Description
Amendment Standard – Active.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.
Product Details
- Published:
- 07/01/2020
- ISBN(s):
- 9781504465724, 9781504465731
- Number of Pages:
- 13
- File Size:
- 1 file , 540 KB
- Product Code(s):
- STD24124, STDPD24124, STDPL24124
- Note:
- This product is unavailable in Russia, Ukraine, Belarus
