Metal halide lamp ballast wiring diagram. Probe start standard start and pulse start. Probe start refers to the method used to ignite the arc in the arc tube. Certain probe start metal halide ballasts 175w 250w and 400w have the starterignitor built into the lamp and an external starterignitor is not required. Pulse start metal halide electronic ballasts standard metal halide.
Links to other sites i consider worthwhile. Additional ballast wiring information. If the lamp has never been operational make sure the wiring agrees with the diagram on the ballast label. Two methods are used to start mh lamps.
When using this ballast the actual input wattage of a t12 34 watt bulb on a two lamp fixture is 72 watts. The laser strobe and fluorescent lamp documents that are mainly of his authorship can be found there as well as here. Back to sams f lamp faq table of contents. A fluorescent lamp or fluorescent tube is a low pressure mercury vapor gas discharge lamp that uses fluorescence to produce visible light.
The sunpark sl15t replacement compact fluorescent ballast is used for one or two t8 or t12 linear lamps and some home depot lamps. Fluorescent fixture wiring diagrams wiring for preheat fluorescent fixtures the following is the circuit diagram for a typical preheat lamp one that uses a starter or starting switch. Dephen 60w led corn light bulb mogul e39 led bulbs 5700k led corn bulb 8100 lumens led corn lights equivalent of 175w to 250w metal halide bulb hid hps bulb for garage warehouse high bay workshop. A metal halide lamps starting requirements are important because they impact the type of ballast that the lamp requires.
An electric current in the gas excites mercury vapor which produces short wave ultraviolet light that then causes a phosphor coating on the inside of the lamp to glowa fluorescent lamp converts electrical energy into useful light much more efficiently.