Question

As defined by 230.95, the rating of the service disconnect shall be considered to be the rating of the largest ______ that can be installed or the highest continuous current trip setting for which the actual overcurrent device installed in a circuit breaker is rated or can be adjusted.

a) Transformer
b) Fuse
c) Circuit Breaker
d) Switch

Answer 1

The rating of the service disconnect is determined by the largest circuit breaker that can be installed or the highest continuous current trip setting for which the actual overcurrent device installed in a circuit breaker is rated or can be adjusted.

Step-by-step explanation:

The subject of this question falls under the field of Electrical Engineering.

According to the National Electrical Code (NEC), as defined by 230.95, the rating of the service disconnect is considered to be the rating of the largest circuit breaker that can be installed or the highest continuous current trip setting for which the actual overcurrent device installed in a circuit breaker is rated or can be adjusted. This means that the rating of the service disconnect is determined by the circuit breaker.

For example, if the largest circuit breaker that can be installed is rated at 200 amps, then the rating of the service disconnect will be 200 amps.