Consider C1,D1 if...
Ignitable concentrations of flammable gases, vapors or liquids:
- can exist under normal operating conditions;
- may exist frequently because of repair or maintenance operations or leakage; or
- may exist because of equipment breakdown that simultaneously causes the equipment to become a source of release.
LED lighting (C1, D1) is used in hazardous areas to prevent high voltage, high current equipment from generating an ignition source. Heavy-duty luminaires surround the parts that produce sparks, so if steam or gas leaks and is ignited, it contains an explosion.
Suitable for general industrial and general marine applications requiring anti-steam or waterproof fixtures.