StructureTypeNormal Loading CasesExceptional Loading Cases

Deadweight, WindCascadingBroken WiresCascadingErection and Maintenance

N1, N2N3E1E2E3

Suspension Deadweights Wind on wood pole, accessories and conductors

DeadweightsOne sided reduction of conductor or earth wire tension under wind load condition by 25% for phase conductor and 65% for earth wire acting at any one attachment pointDeadweightsOne sided reduction of conductor and earth wire tensions under wind load condition by 15% for phase conductors and 40% for earth wire acting at all attachment points simultaneouslyDeadweights Erection and maintenance loads including structure anchoring loads due stringing operationa) No windb) 50% of max. wind on wood pole, accessories and conductors, without man-load

AngleTension

DeadweightsWind on wood pole, accessories and conductorsConductor tensions under wind load condition Deadweights One sided reduction of conductor and earth wire tension under wind load condition by 66 % for phase conductor and earth wire acting at all attachment points simultaneouslyDeadweightsOne sided reduction of conductor or earth wire tension under wind load condition by 100 % for phase conductor and earth wire acting at any one attachment pointDeadweights Erection and maintenance loads including structure anchoring loads due stringing operationa) No wind, conductor tension for min. temperature b) 50% of max. wind on wood pole, accessories and conductors, conductor tensions accordingly, without man-load

Dead End

Special Branch -OffDeadweightsWind on wood pole, accessories and conductorsConductor tensions under wind load condition acting on one sideDeadweightsReduction of conductor or earth wire tension under wind condition by 100% acting at any one attachment point