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 ...
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 ...
EarthTronics, dedicated to developing innovative energy-efficient lighting products that provide a positive economic and environmental impact, introduces the 4' T8 LED Linear Lamp that delivers 1700 ...