Insulated Hydraulic Cable Cutter For #6 Solid Copper To 954 kcmil ACSR, 6′. A single line worker can easily cut large-gauge conductors with the power-assist of this tool’s closed hydraulic system. It operates like a hydraulic jack, by simply pumping the handle. Epoxiglas® pole, handle and hydraulic hose have been tested to 100kV per foot. Hydraulic oil has dielectric strength of more than 25kV per ASTM D877.