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

Terminal

Symbols

Terminal connection

A terminal representation identifies a connection point for conductors. The terminal number and strip or assembly identifier link the schematic to physical wiring documentation. A wire number and terminal number identify different things and should not be substituted for one another.

Drawing use: Schematic
Application: Connections & wiring
Reference family: IEC / IEEE / ANSI

A distinction that matters

An electrical junction and a physical terminal are different concepts. A connection dot alone does not necessarily identify a terminal block.

Full reference

CT test

Symbols

CT test terminal

A CT test-terminal arrangement connects current-transformer secondary wiring to measurement or protection equipment and provides the test or short-circuit facilities specified for the selected assembly. Its representation must be read with the manufacturer circuit and operating documentation.

Drawing use: Schematic
Application: Connections & wiring
Reference family: IEC / IEEE / ANSI

A distinction that matters

A generic disconnect terminal is not automatically suitable for a CT secondary circuit. Use an arrangement specified for the CT application.

Full reference

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