Offset constant thickness web for insulator support disk
Oil well electrical cable with gas conducting channel and vent
Oil-filled cable pothead with venting means and tool therefor
Oil-filled electric cable installations comprising pressurizing
Oil-filled electric cable joint without oil channel in joint ins
Oil-filled electric cable with alternate layers of plastic and p
Oil-filled, multi-core cable with at least one conductor differi
Oil-impregnated power cable
Operation of a lead-in-device receiving a conductor passed throu
Optimizing lan cable performance
Orbital disc insulator for SF.sub.6 gas-insulated bus