Larson Electronics addresses this issue with the EPL-PT-FA-3X150LED-RT series with field serviceability
operators can access a terminal strip on the unit
LED lamp heads and a 8-hour battery backup system
Wiring: This explosion proof LED lighting system is equipped with 150 feet of 12/3 chemical and abrasion resistant SOOW cord with a blunt-cut end (no cord cap)
Voltage: 230V AC
Explosion Proof Bug Eye Emergency LED Fixture - Self-Testing - 208/220/240V 50Hz - C1D1&2 Two Stars Larson Electronics addresses this issueSpecifications Additional Information EXP EMG 2L LE6 50HZ Explosion Proof Emergency LED Fixture Ratings Approvals Lamp Type: LED Listed for United States & Canada Dimensions: 25H x 22W x 4. 5D Class I, Divisions 1 & 2, Groups B, C, D Weight: 5 lbs Class I, Zones 1 & 2, Groups IIB+H2, IIA Voltage: 208 220 240V @ 50Hz Class II, Divisions 1 & 2, Groups E, F, G Watts: 2. 2W Class III, Divisions 1 & 2 Lumens: 66 NEMA 3R, 4, 7 (B, C, D), 9 (E, F, G)