Size a generator by adding up the running wattage of all equipment you need to run simultaneously, then add 25-50% for motor startup surge. The JCB-G3600P (3.6kW continuous) suits sites running a couple of power tools, lighting and a radio. The JCB-G8000PE (7.9kW continuous) suits sites running a compressor, multiple power tools and lighting simultaneously. Both feature AVR regulation — clean stable power for sensitive electronics as well as tools and lighting. Dual 115V/230V output covers both site-rated 110V tools and standard 230V equipment. Always run generators outdoors or in a fully ventilated space — the exhaust produces carbon monoxide.