In a crawl space, a cable is installed to run from the service panel to a new outlet in the living room. The cable is exposed to the crawl space environment. According to the 2024 IRC, what is the minimum type of cable that can be used in this application?

ICC E1 exam practice question · Wiring Methods & Power/Lighting Distribution

In a crawl space, a cable is installed to run from the service panel to a new outlet in the living room. The cable is exposed to the crawl space environment. According to the 2024 IRC, what is the minimum type of cable that can be used in this application?

AType NM-B
BType MC
CType UF-B
Type THWN-2

Exam tip

Be familiar with the specific cable types allowed for different environments as outlined in the code.

Why D is correct

The correct answer is Type THWN-2. Section 330.30 of the 2024 IRC specifies that Type THWN-2 cable is suitable for use in crawl spaces. Options a, b, and c are incorrect as they are not suitable for exposed installations in crawl spaces.

Practice 26 more Wiring Methods & Power/Lighting Distribution questions

Timed mock exams, a wrong book and flashcards — one subscription covers every contractor exam line.

Start studying free

In a crawl space, a cable is installed to run from the service panel to a new outlet in the living room. The cable is exposed to the crawl space environment. According to the 2024 IRC, what is the minimum type of cable that can be used in this application?

In a crawl space, a cable is installed to run from the service panel to a new outlet in the living room. The cable is exposed to the crawl space environment. According to the 2024 IRC, what is the minimum type of cable that can be used in this application?

More Wiring Methods & Power/Lighting Distribution questions