1. It protects the original circuit and provides a wire for the new circuit. This add-in circuit fuse tap turns one blade fuse slot into two blade fuse slots. It provides one fuse holder to protect existing circuits and another fuse holder to protect new circuits. 2. Easy to use, plugs into an occupied or vacant energy fuse box slot. Easy to install additional circuits without clipping or cutting. 3. Made of environmentally friendly PA66 material, this crimp wire fuse adapter is mechanically strong, insulated, heat-resistant and flame-retardant. 4. For hardwiring or adding LED light strips, dash cams, radar detectors, off-road lights, or other electronic devices that need to be wired directly to the fuse box. 5. Turn one fuse slot into two, providing individual protection for each circuit.
