CT TAP
Tapped-secondary current transformer
A tapped CT secondary provides alternative documented transformation ratios through different terminal combinations.
SLD / Schematic
IEEE / ANSI · CT TAP
ANSI/IEEE tapped-secondary current transformer symbol
IEEE-oriented graphical reference for tapped-secondary current transformer, with public vendor evidence and drawing-reading notes.
IEEE / ANSI · Autodesk IEEE-oriented Current Transformers functional form
Autodesk explicitly publishes this block under IEEE Symbol Preview. The counterpart is the matching functional concept; no equivalence of every detailed standard graphic is asserted.
Shown as an independently authored educational illustration. Use the cited publication and drawing legend to verify the required drafting form.
SLD / Schematic · CT TAP
What it represents
The tapped-secondary CT form marks alternative documented secondary connection points. The connected tap pair determines the operating transformation ratio; unused terminals remain subject to the actual transformer instructions rather than a generic drawing rule.
This is a convention-specific lookup based on the publisher's IEEE-labelled preview. The geometry here is independently drawn to explain the connection or operation; it is not a certified reproduction of the standard graphic.
How to read it
- Read the operational ratio from the wired tap combination.
- Read the selected library and the project legend together. A vendor block identifier is meaningful within its named library and is not a universal standard-symbol code.
Information to show or reference
- Label tap terminals
- State selected ratio
- Reference unused-tap instructions
A distinction that matters
A winding tap selects a documented connection ratio; it is not another independent measurement core.
Sources you can follow
These public references support the explanation and provide further detail. Their graphics and downloadable files remain with their publishers.
Autodesk IEEE Symbol Preview — Current Transformers
Exact public IEEE-oriented category page verifying the component name and vendor block identifier.
IEEE/ANSI 315-1975: graphic symbols for electrical and electronics diagrams
Graphic-symbol standards context and official status; not a source of reproduced artwork.
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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