{"product_id":"klein-tools-vdv526-100-data-cable-tester-rj11-rj12-rj45","title":"Klein Tools VDV526-100 Data Cable Tester RJ11 RJ12 RJ45","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe KLEIN TOOLS VDV526-100 is a data cable tester designed to verify the continuity and wiring of low-voltage data cables in residential and commercial installations. It uses an LED display to indicate test results, allowing technicians to quickly identify miswired, open, or shorted connections without specialized software or additional equipment. The tester supports RJ11, RJ12, and RJ45 connectors, covering telephone, voice, and Ethernet cabling in a single unit. A remote unit is included for testing cables at both ends without a second technician. The kit ships with a 9V battery, so it is ready to use out of the box.\u003c\/p\u003e\u003cp\u003eThis tester is suited for low-voltage cabling work in structured wiring, telecommunications, and network infrastructure applications. Installers use it to verify patch cables, installed runs, and voice or data outlets before commissioning a circuit. It is appropriate for both new construction and retrofit work where cable verification is required prior to system activation.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eLED display provides clear pass\/fail indication for each wire pair\u003c\/li\u003e\n\u003cli\u003eSupports RJ11, RJ12, and RJ45 connectors for telephone and Ethernet cables\u003c\/li\u003e\n\u003cli\u003eIncludes remote unit for single-technician end-to-end cable testing\u003c\/li\u003e\n\u003cli\u003eShips with 9V battery included — no additional purchase required\u003c\/li\u003e\n\u003cli\u003eCompact form factor for use in the field or on the bench\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use with RJ11, RJ12, and RJ45 terminated data and voice cables. Suitable as a general-purpose cable continuity tester for structured wiring and low-voltage network cabling applications.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eLow-voltage cable testing of this type is typically performed by low-voltage technicians, network installers, or electricians working under applicable codes such as ANSI\/TIA-568 wiring standards. De-energize and disconnect cables from active network equipment before connecting the tester to avoid damage to equipment or the tester. Ensure the remote unit is fully seated at the far end of the cable before initiating a test. Replace the 9V battery if LED indicators appear dim or inconsistent.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Type\u003c\/strong\u003e: Data Cable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay Type\u003c\/strong\u003e: LED\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector Type\u003c\/strong\u003e: RJ11, RJ12, RJ45\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes\u003c\/strong\u003e: 9V Battery, Remote, Tester\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.48 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: KLEIN TOOLS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: VDV526-100\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KLEIN TOOLS","offers":[{"title":"Default Title","offer_id":51541393375538,"sku":"VDV526-100","price":54.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/952459928e7846866d443e94cb788c90.jpg?v=1785874665","url":"https:\/\/voomisupply.com\/products\/klein-tools-vdv526-100-data-cable-tester-rj11-rj12-rj45","provider":"Voomi Supply","version":"1.0","type":"link"}