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 ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results