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How To Measure Radius

The radius of a bend is measured from the middle of the conduit, to the 90° point, not including the socket.


Below picture shows how the radius was worked out on 100mm, 90° bend.

  • Stand bend against wall
  • Measure from where wall meets floor to the underside of the conduit (in this example the measurement is 950mm)
  • From this number, subtract the diameter of the socket (100mm)
  • 950mm -100mm give a radius of 850mm.