Question 2024 of 731 · Texas Journeyman Electrician Exam
What is the minimum rating of the service disconnecting means for a one-family dwelling?
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Correct answer to question 2024
- B: 100 amperes, 3-wire
Explanation
For a one-family dwelling the service disconnect must be rated at least 100 amperes, 3-wire. Other installations generally need at least 60 amperes. See 230.79(C).
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