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Trunking corners and joins

The right elbow depends on how the pipe route turns. A bend across the face of a wall is a different piece from a corner that carries the trunking onto the next wall.

A brown right-angle wall-entry fitting meets a short length of matching cover above a Sanyo outdoor unit.
A brown right-angle wall-entry fitting meets a short length of matching cover above a Sanyo outdoor unit.

Options and uses

Flat bends
Use these where the route changes direction on the same surface. Mark the angle on your sketch if the turn differs from a right angle.
Inside and outside corners
An inside corner turns into the junction of two walls. An outside corner wraps around a projecting edge. Count each separately.
Straight joiners
A joiner covers the meeting point between two straight sections. Its profile and lid shape must match the trunking family.

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