The TL-X XL lamp(tube diameter 38mm) refers to explosion-proof tube light, also known as single-pin explosion-proof tube, Mono-pin explosion-proof tube, sans start fluorescent lamp, sans lamp, FA6 fluorescent lamp, belonging to the low pressure mercury lamp. It is manufactured with special fluorescent powder and there is a graphite line inside the lamp to prevent electric spark when the tube starts and electromagnetic wave when working.It is matched with explosion proof fittings This lamp is used in flameproof and increased-safety luminaires for both indoor and outdoor applications, such as the (petro-)chemical industry, offshore, mines and any location where traces of explosive gases may be found.