Socket-See-FFCB100-UK-Easy-Fuse-Finder-Socket-See-SOC-FFCB100UKA-P-The-FFCB100-actually-consists-of-two-devices-a-transmitter-&-a-receiver-To-use-the-device-you-basically-plug-the-transmitter-directly-into-a-plug-socket-&-then-you-use-the-receiver-to-scan-across-a-breaker-board-&-find-which-fuse-is-powering-that-particularly-socket-It-is-an-easy-&-incredibly-effective-way-to-detect-fuses-&-the-receiver-device-can-be-used-at-a-distance-P-P-Whenever-a-strong-signal-is-found-t