What is a critical condition to check before handling power lines?

Checking for voltage presence is essential before handling power lines because it directly relates to safety and preventing electric shock. Knowing whether voltage is present ensures that workers are aware of the potential danger posed by energized lines. This is crucial in any electrical work, as touching live wires can lead to severe injuries or fatalities.

Voltage presence checks typically involve using appropriate testing devices to confirm that no live electricity is flowing in the lines. Workers must employ lockout/tagout procedures, ensuring that equipment is de-energized and cannot be inadvertently re-energized while work is being performed. This process minimizes the risk and safeguards personnel working near or on electrical equipment. Ensuring that tools are rated for any potential voltage they might encounter is also a key practice in promoting safety.