What ballast does the lamp use

Answer:

First of all depends on what is your light source, generally have high pressure sodium lamp, low voltage sodium lamp, high-pressure mercury lamp, metal halide lamp, ceramic metal halide lamp, LED lamp, energy-saving lamps, fluorescent lamps, energy-saving lamps, etc., to see what kind of, some ballast to others don't need, now in general use most is a high intensity gas discharge lamp, high pressure sodium lamp, or electronic ballast inductance ballasts need to use

Inductance ballast, and generally used for sodium lamps. The sodium lamp is yellow, not dazzling

Generally with metal halide ballast, this will depend on what kind of light source is, "popular" LED lighting now, however, we often use the there are two main types of street lighting, one is, metal halide lamp, the other is a metal halide, sodium lamp, the latter is better than the former, is durable but the price will be higher some ~ ~ ~