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Electrical installation of split type air conditioning (indoor and outdoor unit) shows a detailed diagram of the electrical connection of a split type air conditioner. The inner unit and outer unit are observed connected by color-coded wires to facilitate the identification of each line.  The power supply comes from the automatic breaker switch, passing first through an isolating switch that allows to cut off the current for maintenance or safety. Drivers are identified as: L (line/phase) in red N (Neutral) in color black G (earth) in green In addition, communication and control cables between both units are included, necessary for the coordinated operation of the system.  The neat design of cabling ensures safety, efficiency and ease of maintenance in the installation. 

Ceiling fan connection with dimmer, switch and capacitor (220V AC shows the electrical installation of a ceiling fan powered by 220V AC. Phase (L) passes first through a switch and then through a dimmer/speed regulator, which allows you to control the fan speed.  From there, the current reaches the fan through a 3-way connector. The capacitor is connected to the fan to help start and run the engine efficiently. Neutral (N) goes directly to the fan completing the circuit. This system allows you to turn on/off and adjust the fan speed safely. 

This diagram shows a TDA2030 audio amplifier system with a 5.1 configuration. It explains how AC 220V power is converted to 12V DC, then distributed to the amplifier board, speakers, and woofer.  The wiring connections and components such as the bass control and USB module help regulate sound output and audio input.