Mar 11, 2016 · A head-to-head comparison between High-Pressure Sodium lights (and the related Low-Pressure Sodium lights) and Light Emitting Diodes (LED Lighting).

A few 1000w or 2000w high pressure sodium high mast lights (very common wattages for existing high mast lighting) can cost up to $6,300 and $12,500. respectively. to operate per year, in electricity …

Nov 20, 2015 · HIGH PRESSURE SODIUM (HPS) LIGHTS: 1966: High Pressure Sodium (HPS) lights were introduced with GE’s second generation M250 and M400. HPS lights were much more energy …

Dec 5, 2017 · Metal halide lights are a familiar site to baseball fans, but how do they stack up against LED lights? Learn about energy efficient lighting solutions.

Dec 9, 2015 · High Intensity Discharge is an overarching term for a gas-discharge light. They are the oldest type of electrical light Among the common types of HID lights are mercury vapor, low and high …

Most existing high bay lighting and low bay lighting applications utilize high intensity discharge (HID) lamps such as metal halide, high pressure sodium, and if they are very old, mercury vapor lamps.

Nov 15, 2017 · Low pressure sodium lights emit a very deep yellow, monochromatic light while high pressure sodium lights have a slightly whiter (but still generally yellow) light. These lights were the …

Mar 18, 2016 · The project entailed the one-for-one replacement of 306 HID light fixtures with high efficiency LED lights and fixtures. Most of the legacy HID lights were either metal halide (typically on …

Most existing pathway lighting bollards utilize high intensity discharge (HID) lamps such as metal halide, high pressure sodium, and if they are very old, mercury vapor lamps. Compact fluorescent lamps …

Apr 27, 2017 · LED high bay lighting vs high pressure sodium (HPS) lights: HPS lights are often used in warehouse, industrial, business, and recreational facilities where high bay lighting is appropriate. …