... IEC standards BAY51 series explosion-proof light fittings for fluorescent lamp 1)Explosion protection to-CENELEC-IEC-NEC2) ... Single or dual lamp versions4)Available lamp and wattageFluorescent lamps: 18W x 1, 36W x 1, 58W ... x 2, 36W x 2, 58W x 2.LED lamps: 9W x 1, 9W x 2, 18W x ... lamp life (EOL) rectification effect protection.9)Only fluorescent lamp with emergency lighting function, LED lamp without ...