Tungsten-halogen sources produce a quality of light
that is brighter and whiter than standard incandescent
bulbs. They also have a longer life and provide more
light per watt than standard incandescent bulbs.
Tungsten-halogen bulbs are available in both standard
voltage (120 volts) and low voltage ( 12 and 24 volts).
Low-voltage bulbs require a transformer to step down
the voltage from 120 volts to 12 volts or 24 volts.
Line Voltage (120 volt)
PAR 16, PAR20, PAR30 and
PAR38 shapes provide
better beam control than
incandescent R or BR
bulbs. They are available
in a variety of beam
shapes such as flood (FL),
narrow flood (NFL),
spot (SP), and narrow
spot. They are commonly used in track, recessed and
outdoor floodlights where a high quality of white light
PAR38 bulb by OSRAM SYLVANIA
A- 19 General service halogen bulbs are
excellent replacements for standard
incandescent, general service bulbs.
They are available in the same shapes
and sizes and are more energy-efficient
than standard incandescent bulbs.
T- 3 Double-ended halogen bulbs are used
in wall sconces, torchieres and outdoor
flood lights. These are not directional bulbs, so the
light direction and beam spread is controlled by the
T- 4 Single-ended halogen bulbs come in both mini-can
and bayonet base types, and are used in wall sconces,
bath brackets, torchieres and pendants. As with the
T- 3 bulbs, the direction of the light is controlled by the