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Expedio Lighting Limited

Low Energy Lighting Specialists

What are QuarterLites

QL4 QuarterLites are low energy lights using four high brightness Light Emitting Diodes.

They fit on to the back of the sign box and light is emitted sideways through 360° diffusing off the sides and back of the box to produce an even illumination on the front face.

The LEDs are mounted on a flexible PCB with a circuit shunt and connector and are thermally bonded to the aluminum heat sink to keep the light cool.

QL4 QuarterLite

  • High performance lighting

  • Save 65% + of energy
  • Life expectancy 50,000 + hours
  • Maintenance free
  • Reduces C02 and carbon emissions
  • No bulb or tube disposal costs
  • Easy to retro-fit into existing signs


The QL4 QuarterLites are replacing fluorescent tubes in internal and external advertising signs, company names and billboard signs. They are suitable for use in:-

  • Fascia signs
  • Direction signs
  • 6-Sheet adverting signs
  • Flex-face signs
  • Menu signs
  • 48 / 96 sheet signs
  • Circular signs
  • Illuminated letters

© 2009 Expedio Lighting Ltd