What is the primary concern when dealing with electrical wiring in areas containing volatile substances?

When dealing with electrical wiring in areas containing volatile substances, the primary concern is the fire and explosion hazards that can arise from potentially ignitable mixtures. In environments where flammable gases, vapors, or dust may be present, any electrical equipment or installation poses a risk if not properly designed and installed.

Using standard equipment in such environments could lead to sparks or overheating, which can ignite flammable materials, resulting in catastrophic fires or explosions. Therefore, the focus must be on ensuring that all electrical components comply with specific standards and regulations designed to mitigate these risks, such as using explosion-proof enclosures or intrinsically safe systems.

While considerations such as installation costs, regulatory compliance, and environmental impacts are important in the overall planning and execution of electrical installations, they take a secondary role to the critical need for safety in the presence of volatile substances. Ensuring that hazards are minimized through careful design and adherence to safety standards is the foremost priority in such situations.