ELEC 17001

Class II electrical equipment exposures are designed to resist the:

• Ingress of gases

• Ingress of liquids and dust

• Ingress of solids only

• Ingress of air

Define the term grounded conductor.

• The conductor that carries current to the load

• The conductor that is always live

• The system or circuit conductor that is intentionally grounded

• The conductor that connects to the neutral bus

Fittings with machine faces must be used on:

• Class 1, Zone 0

• Class 2, Zone 1

• Class 3, Zone 2

• Class 4, Zone 0

Electrical equipment installed in an explosive atmosphere location shall be marked:

• Exd

• Ex

• Exp

• Exi

An overload device protects a motor from overcurrents which are caused by:

• Short circuits only

• Ground faults only

• Blocked rotors and increased loads

• Voltage spikes

A Class III location is defined as:

• Areas with flammable gases

• Areas with flammable liquids

• Areas where there is a danger of explosion due to the presence of fibers and flyings

• Areas with high humidity

A submersible pump system for a water well operates at 120V. Determine the type of receptacle that the pump must be connected to:

• Standard receptacle

• GFCI

• AFCI

• Weatherproof receptacle

Identify the most suitable type of fitting that can be used with EMT conduit in a location that is damp or corrosive.

• Standard fitting

• Weatherproof fitting

• Corrosion-resistant fitting

• Explosion-proof fitting

The circuit protective device which can protect circuits from arcing faults describes a/an:

• GFCI

• AFCI

• Circuit breaker

• Fuse

How shall AC systems be grounded?

• On the load side of the service disconnect

• On the line side of the service disconnect

• At the neutral bus

• At the main panel