Lighting Styles

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Discharge Lamps - Long Life and High Efficiency

Discharge lamps are a family of artificial light sources that generate light by sending an electrical discharge through an ionized gas, i.e. a plasma. The character of the gas discharge critically depends on the frequency or modulation of the current. Typically, such lamps use a noble gas (argon, neon, krypton and xenon) or a mixture of these gases. Most lamps are filled with additional materials, like mercury, sodium, and/or metal halides.

In operation the gas is ionized, and free electrons, accelerated by the electrical field in the tube, collide with gas and metal atoms. Some electrons circling around the gas and metal atoms are excited by these collisions, bringing them to a higher energy state. When the electron falls back to its original state, it emits a photon, resulting in visible light or ultraviolet radiation.

Items 1 to 8 of 8.
G12 150w Metal Halide Lamp
  • Sale
  • 50% OFF

G12 150w Metal Halide Lamp

 
£6.00
Limited Stocks - Priced to Clear
RX7s Metal Halide Lamp - 70w

RX7s Metal Halide Lamp - 70w

 
£7.60
Limited Stocks - Priced to Clear
E40 SON High Pressure Sodium Lamp

E40 SON High Pressure Sodium Lamp

 
£8.50
For use with E40 Base Fittings
150 Watt CDM-TD Double Ended Metal Halide Lamp

150 Watt CDM-TD Double Ended Metal Halide Lamp

2 Products
£9.90
Philips CDM-T Double ended Rx7s
G8.5 Ceramic Metal Halide Lamp

G8.5 Ceramic Metal Halide Lamp

8 Products
£9.90
aka CDM-TC, HCI-TC, HIT-TC-CE
RX7s Radium Metal Halide Lamp

RX7s Radium Metal Halide Lamp

6 Products
£10.00
70w, 150w in 3000ºk, 4200ºk and 5600k
Items 1 to 8 of 8.