Question 5030 of 749 · Maryland Journeyperson Electrician Exam
At the service, the main bonding jumper connects
Exactly one answer is correct.
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Correct answer to question 5030
- B: The EGCs and service enclosure to the grounded conductor
Explanation
An unspliced main bonding jumper connects the equipment grounding conductors and the service disconnect enclosure to the grounded service conductor. See 250.24(B) and 250.28.
More questions: Grounding and Bonding
- 5031What is the minimum size copper main bonding jumper for a service with 4/0 AWG copper ungrounded conductors?
- 5032A service has four parallel sets of 500 kcmil copper per phase (2000 kcmil total). What is the minimum copper main bonding jumper?
- 5033A subpanel in the same building is fed by a feeder from the service. How must the grounded (neutral) conductor be treated at the subpanel?
- 5034For a grounded service, the GEC connection to the grounded service conductor is permitted
- 5035What is the minimum copper equipment grounding conductor for a circuit protected by a 20 A OCPD?
- 5036What is the minimum copper equipment grounding conductor for a feeder protected by a 100 A OCPD?