NEC code look up 2

Switches are generally wired so that all switching occurs in which conductor?

• Bonding jumper

• Grounded

• Ungrounded

• Neutral

How many general purpose lighting and receptacle breakers will be required on a 2500 sq foot home? You can only use 15 amp breakers.

• 2

• 3

• 4

• 5

An electrical equipment room is located in the area near the bathroom of a school. What is allowed to be stored inside the equipment room?

• Dry goods

• Nothing

• Cleaning chemicals

• Mop buckets and brooms

Conductors shall be permitted to be connected in parallel for service conductor wiring (electrically joined) as long as they are not smaller than _________?

• 2 AWG

• 1 AWG

• 1/0 AWG

• 2/0 AWG and larger

Blood borne pathogen training is required

• every 6 years

• monthly

• annually

• only once

In a dwelling unit if the laundry and the bathroom are in the same room what is the minimum branch circuits that will be required?

• 1

• 2

• 3

• 4

What is the wiring configuration of this transformer?

• See/Saw

• Delta/Delta

• Delta/Wye

• Delta/Star

How many phases are required to wire the transformer correctly?

• 1 phase

• 2 phase

• 3 phase

• 4 phase

If the transformer ratio is 10:1 what will be the input voltage needed if the secondary should be 10 volts?

• 1 volts

• 100 volts

• 10 volts

• 120 volts

What will be voltage drop on a circuit if wiring a shop that is 400 foot away from the house and using 12 AWG copper wire at 120 volt and a 20 amp breaker?

• 31.6 volts

• 23.9 volts

• 6 volts

• 66 volts