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

Understanding NEC Service Entrance

Quiz
•
Other
•
12th Grade
•
Hard
DIEGO RODRIGUEZ ZAMORANO
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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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