EIM Reviewer Part 1

Which of the ff. electrical parameters apply or labeled to all kinds of switches?

• Rated power and rated voltage

• Rated resistance and rated current

• Rated current and rated voltage

• Rated power and rated current

A portable grinder is considered a

• Hydraulic tool

• Electrical tool

• Plumbing tool

• All of the above

A mechanical device such as locknut, bushing or connectors intended primarily for a mechanical rather than an electrical function.

• Conduit

• Fittings

• Expander

• Tighteners

A part providing an appropriate degree protection of equipment against external influences and defined degree of protection against contacts with live parts in any direction.

• Cabinet

• Panel board

• Switch gear

• Enclosure

A point in the wiring system at which current is taken to supply an utilization equipment

• Branch circuit

• Feeder circuit

• Convenience outlet

• Jumper connection

In conduit installation, to make a 90 degree bend you will use mechanical rather than electrical function.

• Offset

• Elbow

• Reducer

• Bending

What are the types of fittings commonly used for tightening between boxes and the conduit?

• Straight connector

• Condulet

• Conduit strap

• Locknut and bushing

The box used for typical switches

• Splice box

• Full box

• Square box

• Utility box

A technical term for type TW wires used in building wiring is

• Moisture resistance

• Plastic

• PVC insulated resistance

• Polyethylene insulated

A circuit breaker is an electrical device which

• Protects electrical equipment from incoming spike voltage

• Protects electrical equipment from current surges and overloads

• Breaks power flow when a very low voltage is encountered

• Trips off when a very low current is encountered