Household tester kit, includes circuit alert non-contact voltage detector model gvd-3504, ground fault receptacle tester and circuit analyzer model gfi-3501, dual telephone line tester model gtt-3200 and economy digital tester model gdt-311 3 function, 11-range digital multimeter with test leads to test ac/dc voltage and ohms (resistance). Gvd-3504: Indicates the presence of ac voltage from 50 - 600 volt. Visual (flashing) and audible (beeping) indicators signal presence of voltage. Built-in"safe test" feature assures batteries are operating properly. Compact design fits in shirt pocket. Operates from 1-aaa battery (included). Gfi-3501: Tests ground fault receptacles by overloading circuit and tripping gfci. Easy to use. Simply plug tester into any circuit protected by a ground fault receptacle (110 - 125 v ac) and press black button to overload circuit. Tests for seven conditions: Ground fault interruption, open ground, open neutral, open hot, hot/ground reverse, hot/neutral reverse, and correct wiring. Succession of yellow and red lights provides indication of circuit status or specifies wiring errors. Tester trips gfci between 6 - 9 ma. Test standard outlets, gfci outlets and extension cords. Gdt-311: Three function, 13 range, manual ranging style, includes test leads, easy to read digital displays, ac voltage range 500 volts, dc voltage range 600 volts, resistance 2 meg ohms, drop rating 3 feet, crush rating 150 pounds. Gtt-3200: Test single or dual telephone lines for proper wiring. Tri-color led's indicate circuit status (line ok, reversed line, ac voltage present,"dead" line)
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