Adapter plugs; Converters for electric plugs; Electric plugs; Electrical plugs; Electrical power connectors; Electrical power distribution blocks; Electrical power extension cords; Electrical switchgear, namely, voltage boosting devices for electric power lines; Plug adaptors; Plug connectors; Plug-in connectors; Power cables; Power controllers; Power line conditioners; Power switches; Power transformers for amplification; Power wires; Round plug connectors; Safety contact plugs; Voltage regulators for electric power; Voltage stabilizing power supply
Electrical and Scientific Apparatus