Q3_Lesson 3 - Quiz#3 (IA 10)

These are devices used to break and connect the connection in an electric circuit.

• Relays

• Fuses

• Switches

• Receptacles

These are mechanically operated devices for a repetitive start on and break up of an electric power track under regular condition.

• Relays

• Contactors

• Fuses

• Receptacles

Also called convenience outlets (CO), are electrical devices that are installed in utility boxes.

• Receptacles

• Contactors

• Switches

• Relays

These are materials that allow electrons to flow freely from particle to particle.

• Contactors

• Insulators

• Conductors

• Relays

These are electrical devices that utilize electromagnets and are activated by a current or signal in one circuit to open or close another circuit.

• Contactors

• Conductors

• Relays

• Receptacles

It is an apparatus designed for the safety of persons and buildings that has a primary function to de-energize a circuit or part thereof within a standard period of time.

• Conduit

• Conductor

• GFCI

• AC Outlet

It contains the GFCI circuitry in an enclosure with plug prongs at the back and receptacle plugs in front. It can be plugged into an unprotected outlet.

• Receptacle GFCI

• Temporary Plug-in GFCI

• Circuit breaker GFCI

• Portable Cord GFCI

It is an extension cord attached to a GFCI. It adjoins elasticity in using receptacles that are not protected by GFCIs.

• Temporary Plug-in GFCI

• Receptacle

• Circuit breaker GFCI

• Portable Cord GFCI

These devices convert electrical energy into other form of energy like heat, light, sound, etc.

• electronic devices

• power tools

• electrical devices

• computing devices

True or False: If the cord or plug of an electrical device is damaged or frayed, you have to unplug it by pulling the power cord even when the device is switched ON.

• True

• False