These include the ones involving production processes, transformation processes, delivery processes, and the processes entailing stocking of flammable substances. Mostly, some situations result in potentially explosive environments. Also, this is vital in avoiding potentially dangerous circumstances resulting from the reaction of the equipment to its surrounding. Doing this is essential so that the electrical equipment can meet various requirements which ensure the safety of personnel. For the environment featuring all these elements, there is a need to design and test all electrical equipment installed. A hazardous location refers to the area comprising any concentrations of combustible dust, flammable gases, mists, or vapors.