If a lighting ballast fails, do you change it out hot? That's a fairly common practice, but you can get electrocuted by 277V just as surely as from a higher voltage. If you're on a ladder, the fall ...

Having issues with your BMW E90, E92, or E93 headlights? It might be a faulty ballast! In this video, I’ll show you how to replace the headlight ballast quickly and easily White House proposes drastic ...

The special provisions for electric-discharge lighting systems of 1,000V or less can be found in Part XII of Art. 410. As noted in 410.130(E), "The ballast of a fluorescent luminaire installed indoors ...

Operations to replace track ballast on the line between Norwich and London may have caused a bridge in Essex to crack. Network Rail (NR) said it was investigating if procedures were followed during ...