CEA NEC Wiring and Protection 2

Question 1

According to NEC Article 210, what is the minimum number of 20-ampere small-appliance branch circuits required in a kitchen?

Accepted Answer

Two 20A circuits

Answer

NEC 210.11(C)(1) requires at least two 20-ampere small-appliance branch circuits to serve kitchen receptacle outlets.

Question 2

What is the maximum length of a free conductor left at each outlet box per NEC 300.14?

Accepted Answer

6 inches

Answer

NEC 300.14 requires at least 6 inches of free conductor at each outlet, junction, or switch point.

Question 3

Which NEC article governs the use of electrical metallic tubing (EMT)?

Accepted Answer

Article 358

Answer

NEC Article 358 covers Electrical Metallic Tubing (EMT), including its uses, installation, and fittings.

Question 4

Per NEC 210.52, receptacle outlets in a dwelling are required so that no point along the floor line is more than how far from a receptacle?

Accepted Answer

6 feet

Answer

NEC 210.52(A) states that receptacles must be placed so no point along the floor line in any wall space is more than 6 feet from a receptacle.

Question 5

What does NEC Article 250 primarily cover?

Accepted Answer

Grounding and bonding

Answer

NEC Article 250 covers all grounding and bonding requirements, including system grounding and equipment grounding.

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