About 2 Trademarks found for “SOLIDGROUND*”

Power grid protection devices, being electrical controlling devices that protect the electrical power grid from surges in electricity, including those caused by stray DC (direct current), solar storms and/or nuclear electromagnetic pulses; power grid protection devices being electrical controlling devices that protect the electrical power grid and contain switches, electrical controllers, power controllers, sensor controllers, current sensors, current overload protectors, current breakers and/or current limiters.

Power grid protection device composed of a switched grounding connection, circuit blocking component and DC current / power harmonic sensing control circuit.