Straight Blade Receptacle Polarity Tester and Circut Checker Hubbell Bryant 5266 PT Closeout $12 compare at $27+ Brand New Factory Sealed made in USA Straight Blade Receptacle Polarity Tester and Circuit Checker. Made in USA by Hubbell Bryant Part 5266PT Brand New !st Quality Closeout Detects probable improper wiring conditions in standard 100-125 VAC outlets