Terminal
Terminal connection
An identified electrical connection point linking schematic and wiring information.
Schematic
Symbols · TB DISC
Disconnect terminal block
A disconnect terminal includes a documented separable path for circuit isolation or testing at the wiring level.
Schematic · TB DISC
What it represents
A disconnect terminal includes a documented separable path for circuit isolation or testing at the wiring level. Its reference operating state and terminal identity must be shown.
How to read it
- Identify the circuit path opened by the disconnect element.
- The preview is an original explanation of this function. Match the actual drawing convention to its legend and the selected equipment documentation.
Information to show or reference
- Label disconnect function
- Show connected circuits
- Reference normal/service position
A distinction that matters
A disconnect terminal is not automatically suitable for load interruption or for every CT testing arrangement.
Sources you can follow
These public references support the explanation and provide further detail. Their graphics and downloadable files remain with their publishers.
Terminal block functional families
Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic.
About this graphic
This illustration was authored independently by Elora Grid to explain the concept. It is not reproduced from a customer drawing, an official standard graphic or a manufacturer CAD file. Its correspondence to an exact IEC or IEEE symbol identifier has not been certified.
SVG and DXF downloads contain this original artwork. DXF uses unscaled drawing units; a GA envelope supplies no product dimensions, clearances or fabrication information. Original artwork is available under CC BY 4.0. Third-party references retain their own terms.
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