Multiple Choice
Proper grounding procedures for a PLC installation specify that:
A) all enclosures, CPU and I/O chassis, and power supplies be connected to a single low-impedance ground.
B) paint or nonconductive materials should be scraped away to provide good ground connections.
C) all ground connections should be made using star washers.
D) all of these.
Correct Answer:
Verified
Correct Answer:
Verified
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