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Question: 1 / 400

What safety precaution is essential when working with electrical systems?

Working on live circuits is acceptable if careful

Always wear rubber gloves

Cut off the power supply before starting any work

Cutting off the power supply before starting any work on electrical systems is a critical safety precaution. This step is essential to prevent electric shock or injury while performing maintenance or repairs. Working with live circuits increases the risk of severe injuries or fatal accidents, as current can flow through the body when contact is made with an energized conductor.

By ensuring that the power is disconnected, technicians create a safer working environment where they can confidently inspect, repair, or replace components without the immediate threat of electrocution. Additionally, implementing lockout/tagout procedures can further enhance safety by making sure that the power remains off until the work is completed and confirmed by all involved parties.

The other options either suggest unsafe practices or fail to address the fundamental safety measures necessary when dealing with electrical systems.

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Using metal ladders is safe

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