... bulb, must cut off power supply and safe.2. The use of light environment temperature from -10 to 50 °C, ... ventilation and close to the bulb lamps to use, the more can't use in airtight lamps.3. When found tubes ... ,grid lamp fixture,waterproof lamp fixture,lighting fixture,lighting shade,residential lamp,etc.C-we sell lamps in all ... are welcome. Certification: T8 flourescent light fixture with shade