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Electrical systems in locations made hazardous by the presence of flammable vapors and explosive dusts require treatment by experienced design personnel with a unique combination of engineering skill, relative design experience, familiarity with applicable codes and knowledge of the specific equipment available.Despite the substantial effort brought to bear on the challenge of hazardous locations, the effect of corrosion on traditional metallic materials can often undermine the integrity of the system. Most specialized techniques used to provide additional corrosion protection are cumbersome and often ineffective.The use of non-metallics in hazardous locations offers significant benefits. However, this concept has rarely been used in traditional National Electrical Code (NEC) and Canadian Electrical Code (CEC) approaches toward hazardous locations.

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