Klein ToolsBasic electrical$
Klein Tools MM325 Digital Multimeter
A durable general-purpose meter for controlled residential and light-commercial troubleshooting.
Klein ToolsQuick outlet check
Klein Tools RT250 GFCI Receptacle Tester
A pocket-size tester suited to turnover inspections and maintenance rounds where outlets need a quick first-pass check.
$
Budget-friendlyExact price and availability are shown by the retailer.
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Best fit
Who this tool is for
Fast checks of standard receptacle wiring patterns and GFCI operation.
Before you buy
Know the limitation
A receptacle tester cannot detect every wiring fault and does not replace a qualified electrical inspection.
Useful features
Why it made the launch catalog
✓ GFCI test button
✓ Wiring indication
✓ Compact form factor
We do not claim independent laboratory testing of every product. Launch selections are based on manufacturer-published specifications, practical fit for common building use cases and category coverage. Always verify current specifications with the manufacturer or retailer.
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