Understand the difference.

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

LAMP FLASH

Symbols

Flashing indicator lamp

A flashing indicator lamp provides a documented intermittent visual indication. The flash-generation function may be internal or separately controlled and should be identified.

Drawing use

Schematic

Application

Control circuits

Reference family

IEC / Manufacturer

A distinction that matters

A flashing indication is different from an ordinary steady lamp driven by an unlabelled intermittent signal.

Full referenceAdd to legend

Lamp

Symbols

Indicator lamp

An indicator lamp shows an operating condition defined by its circuit and label. The generic representation identifies an indicating element; it does not define what illumination means, the supply voltage or whether the device is continuously lit or flashing.

Drawing use

Schematic

Application

Control circuits

Reference family

IEC / IEEE / ANSI

A distinction that matters

An indication mark does not establish that equipment is safe, isolated or de-energised. Its meaning comes from the full circuit and operating documentation.

Full referenceAdd to legend

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