Understanding NEC Service Entrance

Understanding NEC Service Entrance

12th Grade

20 Qs

quiz-placeholder

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Understanding NEC Service Entrance

Understanding NEC Service Entrance

Assessment

Quiz

Other

12th Grade

Hard

Created by

DIEGO RODRIGUEZ ZAMORANO

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the minimum size of service entrance conductors for a single-family dwelling with a 100-amp service according to the NEC?

8 AWG copper

4 AWG aluminum

6 AWG copper

2 AWG aluminum

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to the NEC, what is the maximum allowable voltage drop for service entrance conductors?

2%

3%

5%

10%

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which NEC article covers the requirements for service entrance conductors?

Article 230

Article 250

Article 310

Article 400

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of grounding and bonding in electrical installations?

To reduce energy consumption

To enhance signal quality

To ensure safety and prevent electrical shock

To increase voltage levels

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a requirement for grounding electrodes according to the NEC?

They must be made of copper only

They must be at least 8 feet in length

They must be installed horizontally

They must be painted for protection

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the NEC requirement for the maximum height of a service disconnect switch?

4 feet

6 feet

6 feet 7 inches

8 feet

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a type of overcurrent protection device?

Circuit breaker

Fuse

Transformer

Ground fault circuit interrupter (GFCI)

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