What does a clearance accomplish in relation to LOTO and arc-flash protections?

• A. A clearance is a visual inspection performed after maintenance to ensure equipment is intact.
• B. A clearance confirms that equipment is de-energized and remains isolated; arc-flash protections are added when necessary to ensure safe work.
• C. A clearance increases the operating voltage of a circuit.
• D. A clearance has no relation to LOTO procedures.

Answer: (B)

A clearance is the formal authorization that makes sure equipment is truly de-energized and stays isolated while work is done. It ties directly into LOTO by confirming that lockout devices and tags are in place so the equipment cannot be re-energized during maintenance. At the same time, it sets the stage for arc-flash protection by ensuring the energy source has been controlled, allowing workers to determine the appropriate PPE, barriers, and safe approach distances based on the verified zero-energy condition. It’s not about a post-work visual check, it doesn’t increase voltage, and it does relate to LOTO procedures.