Different styles fuse holders that can be fitted for any infrared sauna. A fuse holder is a clip or receptacle designed to contain the fuse and make it easy to replace. Fuse holders are often designed to eliminate the need for special tools. A fuse that is simple to remove or easy to install means shorter downtime and safer replacement. No matter what kind of fuse or fuse holders are used, it is very important to insure there is no current to the circuit before attempting a replacement.