What is an incorrect practice when using a generator?

Using a generator in confined spaces is indeed an incorrect practice primarily because it poses significant safety risks, mainly related to carbon monoxide poisoning. Generators produce exhaust gases that contain carbon monoxide, which is odorless and can accumulate quickly in enclosed or poorly ventilated areas. This can create life-threatening situations due to reduced oxygen levels and toxic fume buildup. Proper ventilation is crucial when operating a generator to ensure that harmful gases dissipate safely into the environment.

In contrast, fueling with the engine off is a safe practice that helps minimize the risk of accidental fires and explosions. Connecting heavy-duty cords ensures that the electrical load can be safely managed without overheating. Keeping the generator on stable ground enhances its performance and safety by preventing tip-overs or instability during operation. Each of these practices contributes to the overall safe and efficient use of a generator, highlighting why operating it in confined spaces is particularly hazardous.