Which NEC article covers hazardous (classified) locations?
Article 500 of the NEC deals with the requirements for electrical equipment and wiring in hazardous locations.
What defines a 'special occupancy' in the NEC?
Special occupancies include locations with unique electrical requirements such as healthcare, marinas, and mobile homes.
Which type of facility must comply with Article 517?
Article 517 applies to healthcare facilities due to the sensitivity of medical equipment and patient safety.
What is the main concern when wiring in hazardous locations?
Preventing ignition of flammable gases or dust is critical in hazardous (classified) areas.
What does Article 555 of the NEC cover?
Article 555 focuses on the safe electrical installation requirements for marinas and boatyards.
What kind of wiring method is generally required in classified areas?
In hazardous areas, explosion-proof or intrinsically safe wiring methods are often required to prevent fire or explosion.
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Which NEC article addresses mobile and manufactured homes?
Article 550 of the NEC contains standards for the electrical systems of mobile and manufactured homes.
Which article governs electrical installations in recreational vehicle parks?
Article 551 outlines safe installation requirements for RV parks including service, distribution, and grounding.
What is a common risk in marina environments that NEC Article 555 aims to reduce?
Article 555 addresses electric shock drowning, caused by stray current in water near docks and boats.