{"product_id":"klein-digital-circuit-breaker-finder-et350-4-in-1-gfci-outlet-tester-non-contact-voltage-light-transmitter-receiver-electrical-diagnostic-tool","title":"Klein Digital Circuit Breaker Finder ET350 4 in 1 (GFCI Outlet Tester Non Contact Voltage Light Transmitter Receiver Electrical Diagnostic Tool)","description":"\u003cdiv style=\"font-family: sans-serif; color: #333333; line-height: 1.6; max-width: 900px;\" class=\"product-description\"\u003e\n\u003ch2 style=\"color: #004b87;\"\u003e\u003ca href=\"https:\/\/www.1toptools.com\/pages\/klein-tools\" title=\"Link to the Klein Tools homepage.\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2274\/5945\/files\/KleinStacked-Black.png?v=1774018194\" alt=\"Klein promotional logo logout\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/a\u003e\u003c\/h2\u003e\n\u003cdiv style=\"font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; color: #333333; line-height: 1.6;\"\u003e\n\u003ch2 style=\"color: #004b87;\"\u003eKlein Tools ET350 4-in-1 Digital Circuit Breaker Finder\u003c\/h2\u003e\n\u003cp\u003eThe Klein Tools ET350 4-in-1 Digital Circuit Breaker Finder is a multifunction electrical diagnostic instrument engineered to trace breaker locations, evaluate AC outlet wiring, detect non-contact AC voltage, and illuminate dark service panels. Certified to UL STD 1436 and CSA C22.2 #160, this 18.3 oz tester utilizes a 2-step Learn and Locate receiver scanning mode alongside a plug-in transmitter that measures GFCI trip times and voltage to identify miswired electrical circuits rapidly.\u003c\/p\u003e\n\u003ch3 style=\"color: #004b87;\"\u003eBest Used For:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreaker Panel Identification:\u003c\/strong\u003e Tracing individual 120V AC branch circuits and matching outlets to correct panel breakers using 2-step Learn and Locate digital signal filtering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutlet Wiring Diagnostics:\u003c\/strong\u003e Detecting wiring faults, open neutrals, reversed polarity, and measuring precise GFCI trip time intervals on standard electrical receptacles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-Contact Voltage Tracing:\u003c\/strong\u003e Checking energized cables, cords, switches, and distribution panels safely with visual and audible signal strength indications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color: #004b87;\"\u003eKey Performance \u0026amp; Safety Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Step Learn and Locate Scanning:\u003c\/strong\u003e Receiver scans the entire breaker panel once in Learn Mode before precisely pinpointing the target breaker in Locate Mode.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Outlet Diagnostic Transmitter:\u003c\/strong\u003e Evaluates receptacle wiring conditions, measures line voltage, and tests GFCI circuit breaker trip speed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-Contact AC Voltage Detector:\u003c\/strong\u003e Built-in NCVT sensor scans cables, switches, and breaker terminals with progressive visual and audible alert indicators.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReceiver LED Work Light:\u003c\/strong\u003e Integrated high-output LED illuminates dark breaker boxes and unlit electrical maintenance spaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDocking Transmitter Storage:\u003c\/strong\u003e Transmitter docks directly into the receiver housing for compact storage inside the included protective carrying case.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Safety Compliance:\u003c\/strong\u003e Tested and certified to UL STD 1436 and CSA STD C22.2 #160 safety standards for professional electrical testing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color: #004b87;\"\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e(1) ET350 Digital Circuit Breaker Finder Receiver\u003c\/li\u003e\n\u003cli\u003e(1) ET350 Outlet Diagnostic Transmitter\u003c\/li\u003e\n\u003cli\u003e(1) Protective Carrying Case\u003c\/li\u003e\n\u003cli\u003e(4) AAA Alkaline Batteries\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe width=\"1157\" height=\"651\" src=\"https:\/\/www.youtube.com\/embed\/KZDslpOWhq8\" title=\"4-in-1 Digital Circuit Breaker (ET350)\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch3 style=\"color: #004b87;\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #fff0f3;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #dcdcdc;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #dcdcdc;\"\u003eKlein Tools\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #dcdcdc;\"\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #dcdcdc;\"\u003eET350\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff0f3;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #dcdcdc;\"\u003e\u003cstrong\u003eSafety Standards\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #dcdcdc;\"\u003eConforms to UL STD 1436; Certified to CSA STD C22.2 #160\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #dcdcdc;\"\u003e\u003cstrong\u003eTester Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #dcdcdc;\"\u003e4-in-1 Electronic Digital Tester\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff0f3;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #dcdcdc;\"\u003e\u003cstrong\u003eDiagnostic Functions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #dcdcdc;\"\u003eBreaker Finding, NCVT, Outlet Diagnostics, LED Work Light\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #dcdcdc;\"\u003e\u003cstrong\u003eScanning Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #dcdcdc;\"\u003e2-Step Digital Learn Mode and Locate Mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff0f3;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #dcdcdc;\"\u003e\u003cstrong\u003eHousing Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #dcdcdc;\"\u003ePC and PC-ABS Thermoplastic with Electronic Components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #dcdcdc;\"\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #dcdcdc;\"\u003e4 x AAA Batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff0f3;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #dcdcdc;\"\u003e\u003cstrong\u003eStorage Feature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #dcdcdc;\"\u003eTransmitter Docks Directly into Receiver Frame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #dcdcdc;\"\u003e\u003cstrong\u003eOverall Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #dcdcdc;\"\u003e11.75 in. (29.8 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff0f3;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #dcdcdc;\"\u003e\u003cstrong\u003eOverall Height \u0026amp; Width\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #dcdcdc;\"\u003e3.25 in. x 6.19 in. (8.3 cm x 15.7 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #dcdcdc;\"\u003e\u003cstrong\u003eProduct Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #dcdcdc;\"\u003e18.3 oz. (1.14 lbs \/ 519 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cblockquote style=\"margin-top: 20px; border-left: 4px solid #004b87; padding-left: 15px; color: #555555; font-style: italic;\"\u003e\n\u003cstrong\u003ePro-Tip:\u003c\/strong\u003e Pass the receiver evenly over all breaker switches during Learn Mode to baseline panel signal strength before making your final tracing pass in Locate Mode.\u003c\/blockquote\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"KLEIN TOOLS","offers":[{"title":"Default Title","offer_id":52797002842423,"sku":"ET350","price":79.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2274\/5945\/files\/Klein_Digital_Circuit_Breaker_Finder_ET350_4_in_1_GFCI_Outlet_Tester_Non_Contact_Voltage_Light_Transmitter_Receiver_Electrical_Diagnostic_Tool.jpg?v=1786041558","url":"https:\/\/www.1toptools.com\/products\/klein-digital-circuit-breaker-finder-et350-4-in-1-gfci-outlet-tester-non-contact-voltage-light-transmitter-receiver-electrical-diagnostic-tool","provider":"1 Top Tools","version":"1.0","type":"link"}