
These standards cover assemblies of switchgear devices such as switches, interrupting devices, control, metering, protective and regulating equipment with associated interconnections and supporting structures. These standards do not apply to industrial control equipment, communication switchboards and switching equipment, or switchboards for shipboard
- Status
- Superseded Standard
- Superseding
- 27-1930
- History
-
- Published:
- 1942-07-31
Working Group Details
No Active Projects
No Active Standards
No Superseded Standards
No Inactive-Withdrawn Standards
No Inactive-Reserved Standards