E2 General Requirements and NEC 3

Question 1

When the NEC refers to 'authority having jurisdiction' (AHJ), it means:

Accepted Answer

The organization, office, or individual responsible for enforcing the requirements of the Code

Answer

The AHJ is defined in NEC Article 100 as the organization, office, or individual responsible for enforcing the Code or their designated representative.

Question 2

NEC 230.70 requires the service disconnecting means to be installed:

Accepted Answer

Outside the building or inside nearest the point of entrance of service conductors

Answer

NEC 230.70(A)(1) requires the service disconnecting means to be located outside a building or structure, or inside nearest the point of entrance of the service conductors.

Question 3

Per NEC 300.5, direct burial cable must be installed at what minimum depth under a commercial parking lot or driveway?

Accepted Answer

24 inches

Answer

NEC Table 300.5 requires a minimum burial depth of 24 inches under commercial driveways and parking areas for direct burial conductors.

Question 4

Which NEC section establishes the requirement that all electrical equipment be listed and labeled by a nationally recognized testing laboratory (NRTL)?

Accepted Answer

NEC 110.3

Answer

NEC 110.3 requires that all equipment be approved (listed and labeled) and installed in accordance with any instructions included in the listing or labeling.

Question 5

According to NEC 408.4, what information must be legibly identified on each circuit in a panelboard?

Accepted Answer

The purpose or equipment served and voltage

Answer

NEC 408.4(A) requires each circuit to be legibly identified as to its clear, evident, and specific purpose or the equipment served, including voltage if other than nominal.

(E2) E2 Commercial Electrical Inspector Practice Test

(E2) E2 Commercial Electrical Inspector Practice Test

E2 General Requirements and NEC 3