The Problem Index → Power
My generator seems weak and I can't tell why
The test almost everybody runs is the one that tells you nothing. An unloaded generator shows perfect voltage right up until the moment it can't carry anything.
What actually works
◆ Proven
Test by AMPS under load, never volts unloaded
Put a clamp meter on the output with the real load running. This one habit saves days of chasing ghosts.
◆ Proven
Check the starting surge, not just the running watts
A well pump or compressor draws 3–5× its running watts for a second or two. That surge is usually what's tripping.
◆ Proven
A transfer switch, installed by an electrician
A backfeed or 'suicide' cord energizes the line outside your house and can kill the crew fixing it.
◆ Proven
Exercise it monthly UNDER LOAD
An unexercised generator is a decoration. And stabilize the fuel — gasoline goes stale in months.
Run the numbers
- Generator sizing & fuel burn → — free calculator, works offline.
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