A facility in Ontario has an area classified as Class I, Division 2, Group C. Which of the following statements is TRUE regarding the requirements for electrical equipment in this location, according to the CEC and NEC 500?
Equipment must be approved for Class I, Division 2, Group C, and capable of operating below the autoignition temperature of the hazardous substance.
Only hermetically sealed devices are permitted, regardless of their temperature rating.
All wiring must be installed in rigid metal conduit or intermediate metal conduit, with threaded couplings and explosion-proof fittings.
The use of general-purpose equipment is allowed if it is purged and pressurized to maintain a positive pressure relative to the hazardous atmosphere.
The correct answer is located in the National Electrical Code Section XXX.XX(Y)(Z). Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.
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