NEC Code Practice Test

What is the classification of the pit area in commercial garages if there is mechanical ventilation?

• Class 1 Division 1

• Class 2 Division 1

• Class 1 Division 2

• Class 2 Division 2

How often must flexible metal conduit be secured near a termination?

• Every 18 inches

• Every 6 inches

• Every 12 inches

• Every 15 inches

What is the maximum trade size for intermediate metal conduit according to NEC?

• 3 inches

• 6 inches

• 4 inches

• 5 inches

For an appliance that is a continuous load, what minimum rating must the branch circuit have?

• 100% of the appliance rating

• 150% of the appliance rating

• 120% of the appliance rating

• 125% of the appliance rating

What is the required direction for personnel doors in spaces with equipment rated 800A or more?

• No specific requirement

• Towards the nearest exit

• In the direction of egress

• Away from the equipment

What is the maximum allowable length for a flexible cord used with an in-sink waste disposal?

• 3 feet

• 4 feet

• 5 feet

• 2 feet

At what minimum distance must receptacles be placed from the inside walls of a pool?

• 5 feet

• 4 feet

• 7 feet

• 6 feet

What is the term for a load where the maximum current is expected to exist for 3 hours or more?

• Temporary load

• Continuous load

• Intermittent load

• Permanent load

What is the minimum lighting load per square foot for commercial buildings?

• 1.0 volt-amperes

• 1.5 volt-amperes

• 2.0 volt-amperes

• 2.5 volt-amperes

What is the required GFCI protection for receptacles in dirt confinement areas for livestock?

• 10A and 15A

• 15A and 20A

• 20A and 30A

• All amperages