Incandescent lamps operate without a ballast. They light up instantly, providing a warm light and excellent color rendition. You can also dim them. However, incandescent lamps have a low efficacy compared to other lighting options (10–17 lumens per watt) and a short average operating life (750–2500 hours).
Incandescent lamps are the least expensive to buy, but because of their relative inefficiency and short life spans, they usually are more expensive to operate.
Types of incandescent lampsThese are the three most common types of incandescent lamps: lighting principles and terms before making comparisons.
Related category• LIGHTING TOPICS
Home • About • Copyright © The Worlds of David Darling • Encyclopedia of Science • Contact