FLUORESCENT LIGHTING UNIT FOR LOW-TEMPERATURE USE

摘要

A fluorescent lighting unit for low-temperature use comprises an enclosure (1) with at least one light-transmitting face and containing a fluorescent lamp (4) and an incandescent lamp (6), each lamp being connected to a power supply connector, and means (7) for opening the circuit between the incandescent lamp and the power supply connector when the temperature in the enclosure exceeds the minimum operating temperature for the fluorescent lamp.