Heavy electrical equipment refers to large machines and devices used to generate, transmit, and distribute electrical power. This category includes items like transformers, circuit breakers, and generators, which play crucial roles in ensuring that electricity is safely and efficiently delivered to homes and businesses. These machines are typically found in power plants, substations, and industrial facilities. They are designed to handle high voltages and currents, making them essential for the operation of electrical grids. Proper maintenance and operation of heavy electrical equipment are vital for preventing outages and ensuring a reliable power supply.