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What is the purpose of a Ground-Fault Circuit Interrupter (GFCI)?

• To control the speed of an electric motor

• To establish an electrical connection to the earth

• To provide protection of personnel by de-energizing a circuit when a current to ground exceeds a certain value

• To protect equipment from damaging line-to-ground fault currents

What is the definition of an Accessible wiring method?

• Wiring that is enclosed within the structure or finish of the building

• Wiring that can be removed or exposed without damaging the building structure

• Wiring that is capable of being reached quickly for operation, renewal, or inspections

• Wiring that is guarded by locked doors, elevation, or other effective means

What is the purpose of an Intrinsically Safe System in Hazardous Locations?

• To provide protection of personnel by de-energizing a circuit when a current to ground exceeds a certain value

• To control the speed of an electric motor

• To establish an electrical connection to the earth

• To ensure that all circuits are intrinsically safe

What is the function of a Charge Controller?

• To control the speed of an electric motor

• To charge a battery or other energy storage device

• To establish an electrical connection to the earth

• To provide protection of personnel by de-energizing a circuit when a current to ground exceeds a certain value

What is the definition of a Branch Circuit, Appliance?

• A branch circuit that supplies energy to one or more outlets for lighting and appliances

• A branch circuit that supplies only one utilization equipment

• A branch circuit that consists of two or more ungrounded conductors

• A branch circuit that supplies energy to outlets for appliances and has no permanently connected luminaires

What is the purpose of an Explosionproof Equipment in Hazardous Locations?

• To prevent the ignition of exterior accumulations or atmospheric suspensions of a specified dust

• To withstand an explosion of a specified gas or vapor and prevent ignition of exterior accumulations

• To establish an electrical connection to the earth

• To provide protection of personnel by de-energizing a circuit when a current to ground exceeds a certain value

What is the definition of a Feeder in an electrical system?

• The highest current at rated voltage that a device is intended to interrupt

• The circuit of a control apparatus that carries electric signals directing the performance of the controller

• All circuit conductors between the final overcurrent device and the outlet(s)

• All circuit conductors between the service equipment and the final branch-circuit overcurrent device

What is the purpose of an Effective Ground-Fault Current Path?

• To provide protection of equipment from damaging line-to-ground fault currents

• To control the speed of an electric motor

• To carry current under ground-fault conditions from the point of a ground fault to the electrical supply source

• To establish an electrical connection to the earth

What is the definition of a Circuit Breaker?

• A device for measuring electricity in a circuit

• A device for storing electricity in a circuit

• A device for generating electricity in a circuit

• A device for controlling the flow of electricity in a circuit

When is an Electrical Permit needed before starting work?

• Before starting any installation work on any electrical system

• After completing the installation work on any electrical system

• After obtaining approval from the Building Official

• Before purchasing materials for an electrical system