The analogue Martindale Fuse Finder Kit (FD500) finds which fuse or breaker controls a circuit. It also enables tracing from socket to socket on a circuit.
The transmitter in the Professional Fuse Finder Kit (FD600) has an IEC socket with a standard UK 3 pin mains adaptor (EX332), which extends the use to include both 13A sockets, and with the TL83 ...