Scope

Cable tray fitting planning only. Cable bend limits, tray series, fitting catalogue data, and installation conditions govern actual radius selection.

Lookup table

Compare common cable tray fitting radius labels and cable outside-diameter multiplier source links.

Scroll sideways to keep row labels aligned with hidden columns.

Lookup basis summarizes common tray-fitting radius catalogue examples; cable and tray manufacturer data govern final layout.
Fitting typeTypical radius lookupExample at 30 mm cable OD (mm)Boundary
Horizontal elbow9x cable OD270radius planning only; cable bend limit and tray fitting catalogue govern actual selection
Vertical inside elbow12x cable OD360radius planning only; cable bend limit and tray fitting catalogue govern actual selection
Vertical outside elbow12x cable OD360radius planning only; cable bend limit and tray fitting catalogue govern actual selection
Horizontal tee9x cable OD270radius planning only; cable bend limit and tray fitting catalogue govern actual selection
Horizontal cross9x cable OD270radius planning only; cable bend limit and tray fitting catalogue govern actual selection
Notes
  • Check table values for preliminary lookup and arithmetic checks only.
  • Confirm equipment ratings, product markings, installation conditions, utility requirements, and the local authority requirements before design or field use.