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

IEC

Cable transition joint

A transition joint joins cables of different construction, for example a legacy paper-insulated lead-sheathed cable to a modern XLPE cable, or a submarine cable to a land cable at a landfall. The drawing distinguishes it from an ordinary joint because the two sides have different ratings, impedances and maintenance requirements.

Drawing use: SLD / GA
Application: Connections & wiring
Reference family: IEC
Form evidence: Transition cable joint. Independent IEC-context illustration; not certified IEC geometry.

A distinction that matters

A transition joint joins dissimilar cables; a straight-through joint joins two lengths of the same type.

Full reference

IEC

Cable straight-through joint

The straight-through joint connects two cable lengths end to end, restoring insulation, screen and sheath continuity. It is shown on cable route drawings and network diagrams at joint bay positions, because joints are the most common failure points on long underground circuits and their locations are needed for fault finding.

Drawing use: SLD / GA
Application: Connections & wiring
Reference family: IEC
Form evidence: Straight-through cable joint. Independent IEC-context illustration; not certified IEC geometry.

A distinction that matters

A straight-through joint links two lengths of the same cable; a branch joint takes off a second cable.

Full reference

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