Extech-RT32-Cable-Tester-EXTECH-RT32-EU-P-The-Extech-RT32-cable-tester-is-a-somewhat-different-fuse-&-circuit-finder-The-RT32-simplifies-the-assignment-to-the-circuit-with-just-one-person-The-contact-less-voltage-detector-detects-conducting-lines-&-reports-these-to-the-receiver-via-radio-In-addition-a-visual-light-detection-for-the-illumination-circuits-is-also-available-The-radio-signal-goes-off-when-the-respective-fuse-is-switched-off-The-fuse-is-identified-An-external-feed-in-