Cable Schedule Input

Sr.No Location (From-To) Cable Size (Sq.mm) No of Cables Outer Diameter (mm) Total Area (Sq.mm) Remarks Action

Conduit Parameters

Calculation Results

Total Cables

0
Number of cables

Total Cable Area

0
Sq.mm

Max Cable Diameter

0
mm

Fill Percentage

0%
of conduit capacity

Conduit Calculations

Selected Conduit Size -
Conduit Internal Area - Sq.mm
Maximum Fill Area - Sq.mm
Actual Fill Area - Sq.mm
Conduit Fill Level 0%

RECOMMENDATION

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Number of Conduits
-
Conduit Size (mm)

Enter cable details to calculate conduit requirements

NEC/IEC Standards Reference

NEC Fill Requirements

  • 1 cable: 53% maximum fill
  • 2 cables: 31% maximum fill
  • 3+ cables: 40% maximum fill
  • Derating factors apply for conduit fill >40%

IEC 61386 Standards

  • Maximum fill: 45% for straight runs
  • Maximum fill: 35% for bends
  • Conduit sizing based on cable diameter
  • Consider pulling tension calculations