IEEE C37.20 : 69(R1981)
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
SWITCH GEAR ASSEMBLIES AND METAL-ENCLOSED BUS
07-23-2013
01-12-2013
Describes assemblies of switchgear devices such as interrupting devices, switches, control, instrumentation and metering, protective and regulating equipment, enclosed bus with associated interconnections, enclosures, and supporting structures.
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.