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The statement that 50-amp service provides two lines of 120 volts at 50 amps each is accurate. In a 50-amp electrical service configuration, the system typically consists of two hot wires (often referred to as lines) and a ground, along with a neutral wire. Each hot wire supplies 120 volts, and when combined, they can deliver a total of 240 volts.
This setup allows for the distribution of power to the RV, enabling it to utilize high-demand appliances while also supporting standard household devices that operate on 120 volts. Each of the hot wires provides 50 amps, enabling the RV to draw a substantial amount of current, which is essential for running multiple high power-consuming devices simultaneously.
Understanding this configuration is crucial for RV technicians as it informs proper hookup and safety practices when working with RV electrical systems.