E2S Warning Signals - Signalling devices for hazardous areas, fire and industrial environments, marine, onshore and offshore applications and wide area sirens and alarms. hazardous areas, hazardous location, explosion proof, intrinsically safe, beacons, sounders, grp, wide area signalling, hazardous areas, alarms, alarm horns, led beacon, xenon beacon, xenon strobe, 31620000-8, 31625000-3 E2S designs and manufactures intrinsically safe, flameproof, explosion proof and non-sparking audible and visual signalling devices such as alarm sounders, sirens, bells and horns, loudspeakers, beacons and strobes, status lights, call points and combination units.