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magnetic ballast
A type of ballast that uses a magnetic
core to regulate the voltage of a fluorescent
light. Magnetic ballasts are the simplest type of ballast and have been
in use for many years. Their great advantage is their robustness. Built
from rugged materials, they can withstand exposure to electric system transients
and fluctuations, as well as extremes of heat and cold. Their efficiency
has been continuously improved, so that it may be worthwhile, in terms of
energy and money, to replace older ballasts (as well as fluorescent tubes)
with new ones.
Related category
• LIGHTING
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