Electrical systems are essential components in modern technology, encompassing a wide range of applications from household wiring to complex industrial setups. They involve the generation, distribution, and utilization of electrical energy, ensuring that devices operate efficiently and safely. These systems include various elements such as circuits, transformers, and switchgear, which work together to manage electrical flow. Understanding electrical systems is crucial for engineers and technicians, as they play a vital role in powering homes, businesses, and infrastructure.