EMI/RFI shield cap assembly

A panel mounted fuse holder housing a cartridge type electrical fuse, said fuse holder including a threaded base portion, a mounting nut securing the fuse holder to said mounting panel and including first and second axially spaced threaded end portions, and a generally flat end face abutting the mounting panel, said second threaded end portion further engaging the threaded base portion of the fuse holder to secure the fuse holder to the mounting panel, and an EMI/RFI shield cap including a threaded annular end portion engaging the first threaded end portion of the mounting nut, whereby an EMI/RFI shielded fuse holder is provided.