Buying guidance
What to have on site before a rented generator arrives
Rental units arrive with the engine and the receptacles. Almost everything between the generator and your equipment is usually yours to supply.
The checklist
| Have this ready | Why it matters |
|---|---|
| Cords rated for the load, not the outlet | A cord sized for the plug rather than the running current is the most common cause of heat damage on a rental job. |
| The right connector for the generator's receptacle | Ask the provider for the exact receptacle types on the unit before you buy adapters. Twist-lock configurations are not interchangeable. |
| Carbon monoxide alarms for any occupied structure nearby | Exhaust travels. Alarms are cheap; a poisoning is not survivable in a closed space. |
| Fuel containers and a spill mat, if you refuel yourself | Many providers offer refueling. If you decline it, you own the storage, transport and spill rules on your site. |
| Grounding hardware per your local rules and the provider's instructions | Requirements differ by unit, jurisdiction and whether the generator is a separately derived system. Confirm before delivery. |
| Weather protection that does not restrict airflow | Never enclose a running unit. Ask the provider what cover, if any, is approved for that model. |
| Signage and barriers around the unit | On public or event sites this is usually required, and it keeps the exhaust path clear of people. |
How we evaluate anything we link to
- We only list categories that a rental customer genuinely has to supply themselves.
- We do not copy merchant descriptions, and we do not publish a 'best' pick without stating how we compared options.
- We do not rank by commission. Placement follows the checklist order, which follows safety and job sequence.
- Anything we cannot verify — durability claims, certification claims, availability — we leave out rather than repeat.