Can I dead-end tap and through line conductors directly to the switch support structure? Won this cause future maintenance and adjustment problems?
For general guidance, you should have no hesitation to dead-end conductors and strain insulator assemblies directly to the switch frames, unless you have very severe angular pull-offs or unbalanced line tensions. As long as through line tensions are equal and balanced, the aluminum or steel pull-offs provide an economical and convenient means for locating strain insulator assemblies. Dead-ending conductors directly to the switch frames also serves to stabilize the support structures. Unlike other switch designs, which employ blade locks and latching devices, SEECO’s over-toggle adjustment and unique live parts design will readily accommodate the inevitable twist and deflection of the switch support structure and insulators that occur with galloping conductors and pole deflection. And for most ratings and configurations, SEECO’s aluminum frame structures are designed and fabricated utilizing larger members and thicker material cross sections than the support structures of our competitor
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