Installation and removal of these spheres is done manually on grounding during construction of the transmission line or during its maintenance shutdown.

The conventional system consists of special bearings aluminum alloy, rubber pads unique for each diameter of cable, besides bolts, nuts and washers

SPHERE FOR STANDARD INSTALLATION
Cat. No. Connection (in) Approx. Weight (lb)
 ESR19898-1 0.25" to 0.3" 12.36 
 ESR19898-2 0.32" to 0.37" 12.36 
 ESR19898-3 0.37" to 0.41" 12.36 
 ESR19898-4 0.41" to 0.45" 12.36 
 ESR19898-5 0.45" to 0.5" 12.36 
 ESR19898-6 0.5" to 0.53" 12.36 
 ESR19898-7 0.53" to 0.56" 12.36 
 ESR19898-8 0.56" to 0.6" 12.36 
 ESR19898-9 0.6" to 0.65" 12.36 
 ESR19898-10 0.65" to 0.7" 12.36 
 ESR19898-11 0.7" to 0.73" 12.36 
 ESR19898-12 0.73" to 0.77" 12.36 
 ESR19898-13 0.77" to 0.8" 12.36 
 ESR19898-14 0.8" to 0.85" 12.36 
 ESR19898-15 0.85" to 0.9" 12.36 
 ESR19898-16 0.9" to 0.93" 12.36 
 ESR19898-17 0.93" to 0.96" 12.36 
 ESR19898-18 0.96" to 1" 12.36