CEI Residential Electrical Inspection 3

Question 1

What is the minimum number of 20-ampere small appliance branch circuits required in the kitchen of a new single-family dwelling per NEC 210.11(C)(1)?

Accepted Answer

Two

Answer

NEC 210.11(C)(1) requires at least two 20-ampere small appliance branch circuits to serve receptacles in the kitchen, pantry, breakfast room, and dining room.

Question 2

An inspector observes that a grounding electrode conductor (GEC) is spliced using a wire nut inside a junction box. Is this acceptable under NEC 250.64(C)?

Accepted Answer

No, GECs must be continuous or spliced only using listed irreversible compression connectors or exothermic welding

Answer

NEC 250.64(C) permits GEC splicing only where the GEC is not continuous and only using listed irreversible compression connectors or exothermic welding; wire nuts are not permitted.

Question 3

Under NEC 230.54, service entrance conductors entering a raceway through a weatherhead must be arranged so that water cannot enter the raceway. This is best achieved by:

Accepted Answer

Draping the conductors in a drip loop below the point of attachment

Answer

NEC 230.54(F) requires service entrance conductors to be arranged with a drip loop so that water drains away from the service raceway entrance.

Question 4

A new home has a bathroom with only one receptacle outlet on a 15A GFCI circuit shared with the hall lighting. Is this installation compliant?

Accepted Answer

No, the bathroom receptacle must be on a dedicated 20A circuit serving only bathroom receptacles

Answer

NEC 210.11(C)(3) requires at least one 20-ampere branch circuit dedicated exclusively to bathroom receptacle outlets; it cannot be shared with lighting or other loads.

Question 5

When inspecting a residential service panel, the inspector finds the neutral bar bonded to the enclosure with a bonding screw. This panel is the main service disconnect. Is this correct?

Accepted Answer

Yes, the neutral-to-ground bond is required at the main service disconnect

Answer

NEC 250.24(A)(5) requires the neutral (grounded conductor) to be bonded to the service disconnecting means enclosure at the main service disconnect.

(CEI) Certified Electrical Inspector Practice Test

(CEI) Certified Electrical Inspector Practice Test

CEI Residential Electrical Inspection 3