Lamp (electrical Component) - Lamp Circuit Symbols

Lamp Circuit Symbols

In circuit diagrams lamps usually are shown as symbols. There are two main types of symbols, these are:

The cross in a circle, which usually represents a lamp as an indicator.

The semicircular dent in a circle, which usually represents a lamp as a source of light or illumination.

Lamps and lighting

Concepts	Lamp (electrical component) Light fixture Lightbulb sockets Color temperature Task lighting Glare Light pollution

Incandescent	Regular Halogen Parabolic aluminized reflector (PAR) Nernst

Fluorescent	Fluorescent Compact Fluorescent induction

High-intensity discharge (HID)	Mercury-vapor Hydrargyrum medium-arc iodide (HMI) Hydrargyrum quartz iodide (HQI) Metal halide Ceramic Sodium vapor

Gas discharge	Deuterium arc Neon Sulfur Xenon arc Xenon flash Black light Tanning lamp Germicidal Growth light

Electric arc	Carbon arc Yablochkov candle

Combustion	Acetylene/Carbide Argand Candle Diya Gas Kerosene Lantern Limelight Oil Safety Rushlight Tilley Torch

Other	Light-emitting diode (LED) LED lamp Solid-state (SSL) Plasma Electroluminescent wire Chemiluminescence Radioluminescence Glow stick ESL

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Famous quotes containing the words lamp, circuit and/or symbols:

“As one lamp lights another, nor grows less,
So nobleness enkindleth nobleness.”
—James Russell Lowell (1819–1891)

“The Father and His angelic hierarchy
That made the magnitude and glory there
Stood in the circuit of a needle’s eye.”
—William Butler Yeats (1865–1939)

“And into the gulf between cantankerous reality and the male ideal of shaping your world, sail the innocent children. They are right there in front of us—wild, irresponsible symbols of everything else we can’t control.”
—Hugh O’Neill (20th century)