No "SPLICING" or "WIRE CUTTING" necessary to install your electronic accessories! This high quality Add a circuit/fuse kit allows easy installation of additional circuits without cutting or spicing. Turn one fuse slot into two while providing protection for both circuits. Includes ATM 2, 5, 10 and 15 amp fuses. INSTRUCTION manual is included!This dual slot Add-A-Circuit/Add-A-Line/Fuse Plug provides a fuse slot for the existing OEM circuit and a second slot for a new circuit for a mobile electronic devices/accessories such as a mobile phone, radio, mobile accessories, etc.