Generator safety starts with the right operating location and electrical connection for the equipment type. Fuel-burning portable generators produce carbon monoxide; permanent standby installations need their own model-specific site and installation review.
Portable generator essentials
CPSC says to operate portable generators outdoors only, at least 20 feet from the home, with exhaust directed away from homes and other buildings people could enter. Never run one indoors or in a garage, even with doors open. Install and maintain carbon-monoxide alarms according to their instructions. CPSC portable generator safety guidance.
If a CO alarm sounds or anyone has possible poisoning symptoms, move outside to fresh air immediately and call emergency services. Do not remain inside to investigate.
Electrical connection and refueling
Do not plug generator output into a household wall outlet. CPSC warns against backfeeding and advises professional installation of appropriate transfer equipment for a building connection. Shut down the portable generator and let it cool before refueling. Keep it dry and follow the manufacturer’s operating instructions. CPSC generator hazards.
Choose the right next step
| Situation | Next step |
|---|---|
| Selecting a portable backup system | Review the equipment manual and safe operating location before buying |
| Supplying household circuits | Have a qualified electrician plan compatible connection and transfer equipment |
| Installing permanent standby equipment | Use the exact installation manual and local approval process |
| Alarm, damage or abnormal operation | Follow the manual’s shutdown/support guidance; do not bypass protection |
Read the portable connection guide and transfer-switch guide for planning questions. These guides do not provide a DIY wiring procedure.
Standby systems need a site-specific installation
Do not transfer the portable 20-foot guidance into a universal standby setback, and do not apply a standby enclosure clearance to a portable generator. Your installer must evaluate the model instructions, openings, exhaust, fuel supply and applicable local requirements. See generator placement and clearances.
Prepare before an outage
Keep manuals and service contacts accessible. Agree on who operates the equipment and how required checks will be handled. If the equipment is unfamiliar, arrange training before relying on it. Our maintenance guide helps organize the records; the exact manual controls the procedures.
What should be ready before the next outage?
Prepare the generator instructions, operating location, connection plan and household responsibilities before utility power fails. Confirm working carbon-monoxide alarms and how the household will respond to an alarm. Use the portable connection guide for planning questions; do not improvise a house connection during an outage.