Which component is typically used as a safety measure for product installations in hazardous locations?

The use of explosion-proof switches is a critical safety measure in hazardous locations where there is a risk of fire or explosion due to flammable gases, vapors, or dust. These specially designed switches are engineered to contain any internal ignition and prevent it from igniting the external environment. They are built with robust materials and seals that ensure even in the event of an internal fault, the switch will not create conditions that could lead to a catastrophic event.

In contrast, standard switches do not have these protective features and could fail in an explosion-prone environment. Non-metallic switches, while they may reduce the risk of sparking due to their material, do not provide the same level of protection as explosion-proof switches in managing ignition risks. Magnetic sensors may be used in various contexts for detection purposes, but they do not address the hazards present in environments where explosions could occur. Thus, explosion-proof switches are the correct choice for installations in hazardous locations.