1 How does arc fault occur? O A. Arc fault occurs when electricity takes a path to ground through the body O B. Arc fault, or short circuit, occurs when a conductive object inadvertently bridges an energized conductor to ground or to another energized conductor O C. Arc fault occurs when a worker de-energizes a system and expels any residual energy from an equipment line O D. Arc fault occurs when a worker re-energizes a system too quickly