New Yorks MTA Using CFB in Subway Tunnels
CFL last longer and use less energy for an equivalent light output. Manufacturers tout them as very suitable for locations where changing bulbs is difficult ... So ... the NYC Transit is using CFL in Subway tunnels.
Read on for more ...
" ... replacing its incandescent train signaling lights with ... light emitting diode (LED) Signals. ... a 60 percent savings in energy compared with traditional incandescent light. ... improve brightness 150 percent, and they decrease greenhouse gas emissions substantially ... also have an extremely long life, which reduces landfill use and saves labor.To date we’ve replaced 47,000 of our 60,000 signal lights with LED."
" ... replacing incandescent light bulbs with fluorescent bulbs in subway stations ... When NYC Transit switched to T12 fluorescent bulbs, station lighting increased 750 percent and power consumption decreased 28 percent. An additional change to T8 bulbs kept lighting as bright as before, but reduced our energy use by an extra 26 percent."
"Compact fluorescent bulbs in this tunnel will last 7,500 to 10,000 hours. Formerly, incandescent tunnel bulbs burned for only 750 hours."
Via: NYC MTA Link