Why is an old fuse panel dangerous? - mcgarryandmadsen • Why is a fuse box an insurance problem for homebuyers? They have the old style “T” base that will accept any fuse rating, and will definitely allow too much current through the wires. The red-ringed fuse at right is a Type S, so that socket will only accept a 20-amp fuse like itself in the future, but the wiring is only rated for 15 Videos of old style fuse and box Click to view on YouTube6:57Understanding An Old School Fuse Box168K viewsYouTube · 11/7/2016Click to view on YouTube2:38How To Change A Fuse In A Traditional Fuse Box310K viewsYouTube · 2/3/2011Click to view on YouTube1:16Testing and automotive fuse from old style car fuse box21K viewsYouTube · 1/8/2009See more videos of old style fuse and box I need help understanding an old fuse box - Houzz I have an old fuse box that blew a fuse and I am not sure how to replace it. It has a row of 4 edison screw type fuses. The middle 2 are red and say "time delay fuse 20Amp." The outter two are clear. Abbove this row of 4 fuses are two carriages side by side. The one on the left says "..