Prime Products AC Circuit Tester | Plug-In, 3-Wire Receptacle Wiring Checker

Bad wiring at a campground pedestal or a home outlet can damage sensitive RV electronics before you ever notice a problem. This circuit tester takes the guesswork out of it — plug it into any standard 3-wire receptacle and read the red and amber indicator lights to see exactly how it's wired.

It's compact enough to keep in a basement bay or tool bag and gives you a quick go/no-go check before you commit to plugging in your rig.

• Plugs directly into standard 3-wire receptacles
• Red and amber lights indicate six possible wiring conditions
• Instant read — no meters or manuals needed on-site
• Compact, lightweight design for easy storage
• Useful at campgrounds, home outlets, or job sites

A cheap piece of insurance to run before you connect your RV to an unfamiliar power source.