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

SOn

IEC

Multiple socket outlet

A multiple socket outlet groups two, three or four outlets in one accessory or box. IEC-style plans usually draw a single outlet form with the number of outlets written beside it, or with short parallel strokes on the outlet, instead of drawing each outlet separately.

Drawing use: GA
Application: Installation & communications
Reference family: IEC
Form evidence: Multiple socket 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

The duplex receptacle form in schematic libraries shows two outlets graphically; this plan mark counts outlets with a numeral.

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.