1. A technician is troubleshooting a 48V DC telecom power bus. What is the FIRST safety

step before making contact with the terminals?

a) Verify the circuit is de-energized with a non-contact voltage tester.

b) Short the terminals to ground to discharge capacitors.

c) Place one hand in a pocket to avoid a hand-to-hand shock path.

d) Put on safety glasses only, as 48V is considered low voltage.

Rationale: The correct answer is (c). While verifying de-energization (a) is critical, the

first...
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