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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