Side-by-side reference

Understand the difference.

Compare the meaning, drawing context and source references of two entries. A similar graphic or shared abbreviation does not establish equivalence.

LWWall-mounted luminaire plan mark: original educational illustration
IEC

Wall-mounted luminaire plan mark

Wall lights are drawn with the luminaire mark touching or attached to the wall by a short bar, which distinguishes them from ceiling luminaires. The mounting height is either noted on the symbol or covered by a typical detail.

Drawing use
GA
Application
Installation & communications
Reference family
IEC
Form evidence
Luminaire, wall mounted. IEC 60617 installation-plan style (architectural and topographical installation symbols); independently drawn, not certified IEC geometry or a database identifier.

A distinction that matters

A ceiling luminaire stands free in the room on plan; the wall form is attached to the wall line.

Full reference
LLuminaire general plan symbol: original educational illustration
IEC

Luminaire general plan symbol

On IEC-style lighting plans a crossed circle marks the position of a luminaire or a lighting outlet. It is the base form that other luminaire symbols modify: lines are added for linear fittings, arrows for spotlights and letters for emergency or special types.

Drawing use
GA
Application
Installation & communications
Reference family
IEC
Form evidence
Luminaire, general. IEC 60617 installation-plan style (architectural and topographical installation symbols); independently drawn, not certified IEC geometry or a database identifier.

A distinction that matters

The indicator lamp in control schematics uses a similar graphic but signals equipment state; the plan symbol locates a room luminaire.

Full reference

Original educational previews. Follow the source references on each full entry for the appropriate standard or selected product.

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