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

GFCI

IEEE / ANSI

ANSI GFCI duplex receptacle plan symbol

A GFCI receptacle includes a ground-fault circuit interrupter that trips on a small residual current, protecting people in kitchens, bathrooms, garages and outdoors. The plan uses the duplex receptacle form with GFCI or GFI written beside it.

Drawing use: GA
Application: Installation & communications
Reference family: IEEE / ANSI
Form evidence: GFCI duplex receptacle. US architectural electrical plan practice in the ANSI Y32.9 lineage, read alongside IEEE 315 context; independently drawn, not a certified IEEE or ANSI graphic.

A distinction that matters

An IEC RCD-protected outlet performs a similar function under a different convention and tag.

Full reference

HCN1RDUP

IEC

Duplex power receptacle

This form distinguishes a duplex receptacle arrangement.

Drawing use: Schematic
Application: Installation & communications
Reference family: IEC / Manufacturer
Form evidence: Duplex power receptacle. Autodesk IEC-60617 Symbol Preview — Single and duplex power-receptacle forms; vendor family reference, not certified IEC geometry or database identifier.

A distinction that matters

A duplex indication does not establish independent supplies or a particular regional socket standard.

Full reference

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