H ELECTRICITY
H02 GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
H02J13/00 Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
H02J13/00032 Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
H02J13/00036 the elements or equipment being or involving switches, relays or circuit breakers