Lockout and Tagout for Electrical Contractors

Match each electrical hazard control method to its correct description.

An electrical contracting crew is implementing hazard control options on a commercial site. If they choose to rely on electrical protective devices such as fuses or circuit breakers, how do these specific devices actively reduce the risk of electrical injury?

A contractor installs a Ground Fault Circuit Interrupter (GFCI) receptacle in a wet location on a job site to immediately cut off power if a ground fault is detected. This specific practical measure is classified as the 'insulation' hazard control option.

An electrical contractor is analyzing a near-miss report. An apprentice nearly contacted live parts because they bypassed a physical barrier to retrieve a dropped tool, violating the company's strict rule against reaching into energized panels. The contractor determines that the physical barrier itself was adequate and functioning as intended. Therefore, the contractor concludes that the root cause was not a failure of guarding, but rather a breakdown in _____, which relies on employees following established safety rules.

You are an electrical contractor who arrives at a commercial renovation site and discovers exposed live conductors, missing panel covers, ungrounded portable equipment, and workers who have received no safety briefing. You must decide which hazard control measures to prioritize first. Rank the following actions in order from the measure that most reliably eliminates or reduces electrical risk regardless of worker behavior (first) to the measure whose effectiveness depends most on ongoing human compliance (last).