Loadcenters - CEU
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Serves as a protective barrier to prevent contact with energized (“hot”) parts within the unit.
The main lug only (MLO) loadcenter contains a main circuit breaker to protect the load center.
Each branch circuit is protected by a branch circuit breaker housed in the loadcenter. In the event of a short circuit or an overload on a branch circuit, the branch circuit breaker cuts the power before any property damage or personal injury can occur.
For safety reason, the National Electrical Code (NEC) requires the service entrance panel’s neutral to be grounded. Beyond the service entrance equipment, it is always ______________________.
Isolated and Combined
Insulated and Live
Live and Combined
The term used to describe a loadcenter used at the point where power enters the building is a __________.
Service entrance panel
This enclosure type is for general purpose, indoor use. It is suitable for most types of applications where unusual service conditions do not exist.
The ground bar commonly has _______ screws to identify which bar is grounded.
Protects people and equipment from electrical shock is the definition of which type of branch circuit breaker?
Arc Fault Circuit Interrupter
Ground Fault Circuit Interrupter
This main loadcenter type is primarily used as a solution where the electrician or installer does not know what type of main is needed for a job.
Main circuit breaker
Main lug only
The __________ provide(s) a mechanical means for affixing the branch or feeder circuit breakers and distribute power to every branch or feeder circuit breaker.
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