Lighting

My T-5 bulb(s) will not start or dim properly, is this an issue with the dimmable fixture or the bulb?

There are some options that could cause the bulbs in a dimmable fixture not to start or dim: * Not respecting the "burn in" time. A T-5 bulb in a dimmable fixture needs to be burned in. Reason is that the bulb(s) need the full energy of the ballast for a few hours to be prepared to work as well with low dimming intensity. This is why all Giesemann dimmable fixtures have an additional notice, informing people to respect the burn in time for the first 40 hours running. This is a requirement f...

Why did my Metal halide bulb glass sleeve crack after use?

Metal halide bulbs will run at temperatures in excess of 600 degrees F. At these high temperatures any spec of water or even a cold draft from an AC vent can cause them to break. It is important that you place the metal halide lamps high enough off the water to prevent water splashes from hitting them or run them in a pendant housing with a tempered UV shielded glass cover. We do not warranty any lamps that have any sign of water stains on the glass. Saltwater scars the lamp glass when it is hit...

How do you perform a continuity test?

CONTINUITY TEST CONTINUITY TESTS FOR THE WIRING, ENDCAPS & BULBS RUN BY A VUE660 ELECTRONIC FLUORESCENT BALLAST If all the lamps flashed on and then off, it’s likely the ballast. If one or two of the lamps flashed on, it’s likely something wrong with the wiring or lamps. If you have swapped ballasts and the lamp light up, you know there is a problem with the ballast. If your dealing with a Vue430 model ballast and a certain bulb doesn’t light is where to begin investigating. If all the lights fl...