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-Electrical Wires & Cables Trunk Cable Management System (CMS)  Size Calculator/trunk sizer  is a simple application capable to identify the suitable trunk containment size which can accommodate the selectable standard and filling the overall diameter for non-standard copper and aluminum wires & cables   with entering their quantities, the resulted trunk size capable to accommodate total cross-sectional area of all cables not greater than 45% of the cross-sectional area of the trunk  as per RSB ,DEWA, SEWA & IEE wiring regulation BS 7671 .
- Electrical Wires & Cables Trunk Cable Management System (CMS)  Size Calculator/trunk sizer  contains two tables the first table is for standard wires & cables and for non-standard wire's size user can call second table by clicking on second title bar  , first table   is for selectable standard BS single wires describing their sizes in mm2 , and the other table to enable the user to get the trunk size through providing the wires/cables overall diameter in (mm) then filling the QTY. 
- Electrical Wires & Cables Trunk Cable Management System (CMS)  Size Calculator/trunk sizer  calculates the suitable trunk size for the group of selected, filled Diameter (Cable's overall diameter) and quantities of wires & cables.
-Electrical Wires & Cables Trunk Cable Management System (CMS)  Size Calculator/trunk sizer  is in metric unit system.
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