CSA C22.2 No. 178 : 1978
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
AUTOMATIC TRANSFER SWITCHES
Hardcopy , PDF
07-30-2009
French
01-01-2006
Contents
Preface
Reference Publications
Standard
1. Scope
2. Definitions
3. General Requirements
4. Construction
4.1 General
4.2 Enclosures
4.3 Mounting Bases for Live Parts
4.4 Mounting of Parts
4.5 Current-Carrying Parts
4.6 Wiring
4.7 Wiring Space
4.8 Electrical Spacings
4.9 Operating Mechanism
4.10 Bonding and Grounding
4.11 Isolation of Circuits
4.12 Ratings
4.20 Additional Requirements for Type B Transfer
Switches Intended for Use as Service-Entrance
Equipment
5. Marking
6. Tests
6.1 General
6.2 Normal Operation
6.3 Overvoltage
6.4 Undervoltage
6.5 Overload
6.6 Temperature
6.7 Endurance
6.8 Dielectric Withstand
6.9 Short-Circuit Withstand
6.10 Closing
6.11 Instrumentation and Calibration of High-Capacity
Circuits
6.12 Dielectric Withstand (Repeated)
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