MANUFACTURER SPECIFICATION GUIDE
Klein Tools RT250 LCD Outlet Tester
Klein Tools RT250 provides wiring indication and GFCI trip-time information for its stated 120 V application. Its published CAT II 135 V classification is model-specific.
Source review: Oct 2026 · ASIN: B08QW7K1JJ · Not a test date
Manufacturer-published specifications
These are published ratings, not results measured by us. Missing specifications are omitted rather than estimated.
| Function | Wiring + GFCI timing |
|---|---|
| Voltage | 120 V |
| Power source | 2 × AAA |
| Test category / standard | CAT II 135 V |
Ratings can differ by revision and regional variant. Match the current product label and manual to the listing before purchase.
Conditions & limits to check
- Do not treat its display or measurement category as approval for every pedestal or circuit. Follow the exact RT250 manual.
- We have not measured test accuracy, trip timing or campsite safety. This page is not a procedure for working on live wiring.
Before selecting this item, check the manufacturer's current instructions for the exact model. We have not verified its suitability for your device, campsite or electrical installation.
Read the category buying checklist →Manufacturer sources
Published information used for this guide. Manufacturer documents hosted by another service are identified below. A source does not replace the current operating manual.
- Klein Tools manufacturer informationwww.kleintools.com
- Klein Tools manufacturer catalogwww.kleintools.com
Manufacturer documentation references ETL. We have not independently audited certification status; these references do not validate an assembled system.
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