đź‘‘ VIP Practice Test
Journeyman Electrician’s Exam Journeyman Electrician's Panelboards and Switchboards 3 is part of the expanded VIP practice test library — only for VIP members.
Question 1đź‘‘ VIP
Per NEC 408.7, unused openings in panelboard enclosures must be:
Remaining questions and full explanations are VIP-exclusive.