Alarm installations and alarms; Battery boxes; Battery chargers; Control units for regulating start-up electrical motors; Electric wires; Electrical arc detection and suppressing device used in low voltage switchgear; Galvanic cells; Inverters; Photovoltaic cells; Programmable controllers and actuators that track the sun enabling concentrating optics to maximize solar energy input; Solar batteries; Switchboards; Transformers; Voltage regulators; Voltage stabilizing power supply