(CME) Certified Master Electrician Practice Test
(CME) Certified Master Electrician CME Troubleshooting & Maintenance Techniques
What is the first step in troubleshooting an electrical system?
Select your answer
A
Check for visible damage to wires.
B
Turn off power to the system to ensure safety.
C
Look for signs of wear and tear.
D
Test the system without checking for power.
Need a hint?
(H)