IEEE C37.21a-2020

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

STANDARD published on 1.7.2020

English -
electronic (protected pdf) - Immediate download (67.00 USD)

The information about the standard:

Designation standards: IEEE C37.21a-2020
Note: WITHDRAWN
Publication date standards: 1.7.2020
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: International technical standard
Category: Technical standards IEEE