Responding to municipalities’ calls for a cost-justifiable, high performance LED street lighting solution, Appalachian Lighting Systems (ALSI) announced the launch of its new ALLED® SL4, the industry’s first LED street light featuring a two-way internal wireless control system. The ALLED® SL4 can be configured to replace 70- to 400-watt HID roadway Type III and V fixtures. It will save up to 75 percent or more on energy costs with the patent-pending ALLink™ control system, and meet or exceed the strictest standards in the mun...

The Challenge The Allegheny County Jail, a 900,000 square foot Pennsylvania facility that opened in 1996, faced expensive power and maintenance costs associated with outdated lighting in the jail’s 35 inmate housing pods, and elsewhere in the facility. The jail also faced a security issue because the light fixtures hung from the ceiling in a manner that blocked some security camera views. The existing lights were 2x2 High Intensity Discharge fixtures (HID), using a 250 W metal halide lamp, with additional ballast wattage of 45 W.