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CONDUCTOR CHARACTERISTICS WIND AND ICE LOADING
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anchor anchorage angles bolts broken conductors Carquinez Straits catenary cement circuits clamp coefficient of expansion compression compression members concrete conductor materials conductor supports cost cross-arms curve dead-end tower degrees F determined diameter ductors earth economical elastic limit factor of safety feet formula galvanized heavy loading hole inches insulator string intermediate tower length of cable length of span located Lockport long spans maximum loading maximum sag maximum tension metal method mile modulus of elasticity necessary Ontario Power parabolic percent pin-type insulators porcelain Power Company projected area result sags and tensions sion six conductor sleet steel core steel wire strain tower structures surface suspension insulator suspension tower templet tensile strength tion tower line tower spacing transmission line transverse unit stresses unstressed length velocity vertical load voltage weight of cable weight per foot wind pressure zero F