2403.2.1.2.1 Resin application areas.

In resin application areas, electrical wiring and equipment that is subject to deposits of combustible residues shall be listed for such exposure and shall be installed as required for hazardous (classified) locations. Electrical wiring and equipment not subject to deposits of combustible residues shall be installed as required for ordinary hazard locations.

2403.2.1.3 Areas adjacent to spray booths.

Electrical wiring and equipment located outside of, but within 5 feet (1524 mm) horizontally and 3 feet (914 mm) vertically of openings in a spray booth or a spray room shall be approved for Class I, Division 2 or Class II, Division 2 hazardous locations, whichever is applicable.

2403.2.1.4 Areas subject to overspray deposits.

Electrical equipment in flammable vapor areas located such that deposits of combustible residues could readily accumulate thereon shall be specifically approved for locations containing deposits of readily ignitable residue and explosive vapors in accordance with the Electrical Code.

   Exceptions:

      1.   Wiring in rigid conduit and threaded boxes or fittings not containing taps, splices or terminal connections.

      2.   Equipment complying with the requirements of FC 2404 and 2407 and FC Chapter 30.

2403.2.2 Open flames and sparks.

Open flames and spark-producing devices shall not be located in flammable vapor areas and shall not be located within 20 feet (6096 mm) of such areas unless separated by a permanent partition.

   Exception: Drying and baking apparatus complying with the requirements of FC 2404.3.4.2.

2403.2.3 Hot surfaces.

Heated surfaces having a temperature sufficient to ignite vapors shall not be located in flammable vapor areas. Space-heating appliances, steam pipes or hot surfaces in flammable vapor areas shall be located such that they are not subject to accumulation of deposits of combustible residues.

   Exception: Drying apparatus complying with the requirements of FC 2404.3.4.2.