How to choose a 175 Watt Mercury Vapor Ballast Kit

175 watt mercury vapor ballast kits to replace existing core and coil ballasts for this popular lamp. These are for standard MV175 lamps and have everything you need to replace your ballast and they come in multi-tap voltage of 120, 208, 240 and 277 volt. Although these ballast kits are no longer made, most people […]