Question 5054 of 731 · Texas Journeyman Electrician Exam
For a separately derived system, where is the system bonding jumper installed under the general rule?
Exactly one answer is correct.
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Correct answer to question 5054
- B: At one point only, from the source to the first disconnect
Explanation
The system bonding jumper connects the grounded conductor to the supply-side bonding jumper or enclosure at any single point between the source and the first system disconnecting means. Installing it in more than one place creates parallel neutral paths. See 250.30(A)(1).
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