Mini Cable Snake EFT-15. Gardner Bender’s innovative Mini Cable Snake is an ultra-compact 15 foot fishtape for installing a variety of wire and cable including electrical wire, speaker wire, and network cable over short runs inside walls and ceilings. The special low-memory steel tape does not curl during extension, easily fishing wire in both conduit and existing structures. It’s the perfect tool for installing wiring for electrical boxes, outlets, light fixtures, doorbells, audio, datacom and security systems.