Final answer:
The term '580 amp 5 sec generator load limit' pertains to an engineering constraint where a generator can output 580 amps for 5 seconds to avoid damage from overheating. Continuous use is limited to 80% of capacity for safety reasons, as seen in household heating appliances with limits around 1,500 watts.
Step-by-step explanation:
The statement '580 amp 5 sec generator load limit' refers to a specific electrical engineering constraint where a generator can supply up to 580 amperes of current for a brief period of 5 seconds. This type of limitation is common in auxiliary power units (APUs) and is put in place to protect the generator from damage due to overheating under high load conditions. Safety regulations often further restrict continuous use to 80% of a breaker's current capacity, implying that for continuous operation, the limit would be lower than 580 amperes. An example is given where heating appliances may have limits around 1,500 watts due to circuit and safety considerations, equivalent to around 12.5 amperes on a 120-volt circuit. These limitations ensure the safe operation of electrical systems by preventing circuit overloads and potential hazards.