The Fuse Buddy Current Loop TP-FBCL15 is a current loop adapter to measure the current in a circuit at the location of a fuse. A voltage tap allows to measure the voltage at the point as well. A convenient LED lights up when the fuse is defective.
 
The Fuse Buddy Current Loop TP-FBCL15 is available for 4 common fuse types: MAXI, ATC, MINI and JCASE and also in a set of all 4.