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.

First referenceCompare with

IEC

Flex outlet plate

A flex outlet plate terminates fixed wiring at a wall plate from which a flexible cord leaves to an appliance, such as a wall heater, hand dryer or kitchen extract hood. Plans usually show a small outlet mark with a short tail or arrow indicating the cord exit, tagged with the equipment it serves.

Drawing use: GA
Application: Installation & communications
Reference family: IEC
Form evidence: Cord outlet. 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 fused connection unit includes a fuse and often a switch; a flex outlet plate only provides the cord termination.

Full reference

FCU

Symbols

Fused connection unit plan mark

A fused connection unit, often called a fused spur, connects a fixed appliance such as a towel rail, extractor fan or boiler directly to a final circuit through a small cartridge fuse. Plans commonly draw a small square with an S-shaped fuse mark or the letters FCU at the wall line, sometimes with a switch stroke for the switched type.

Drawing use: GA
Application: Installation & communications
Reference family: IEC

A distinction that matters

A switched socket outlet accepts a plug; a fused connection unit is wired to fixed equipment.

Full reference

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