Incandescent bulbs and new generation halogen bulbs give light almost immediately when switched on. CFLs take time to achieve full brightness (and can take much longer in very cold temperatures).
Information and compliance
Useful Business Links
There are a number of industry groups dedicated to helping businesses identify and implement and install energy efficient lighting options... Find out more >>
Lighting Glossary
For lighting terms commonly used by the industry, review the Glossary
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Minimise spill light into the sky
Direct all external lighting onto a surface and minimise spill light into the sky.