Compact fluorescents, sometimes called power
compacts, are brighter and more energy efficient
than normal output fluorescent bulbs. Compact
fluorescents are single ended, unlike traditional
fluorescent bulbs which are double ended.
The basic components involved in assembling a
compact fluorescent lighting systems are:
- Compact Fluorescent bulb
- Ballast
- Lamp sockets and brackets
- Reflector
Base Types - The three most common base types
used for compact fluorescents are:
- GX23 - 2 pin configuration
- 2G11 - 4 pin straight configuration
- GY10Q - 4 pin square configuration, often
referred to as Panasonic or Japanese style
Shapes - Compact fluorescents are available
in multiple shapes, twin, quad, triple, and square
to name a few. The most common bulb shape used
in aquarium lighting is the twin followed by the
quad.
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