Twisted Pair instrument cable These cables come with a LIFETIME GUARANTEE from D'Addario (formerly Planet Waves). You will never need to buy another instrument cable to replace this one. Simply return the defective cable to Strings and Beyond for a replacement! Special double-insulated/double-shielded cable design provides cleanest signal available while eliminating hum and triboelectric noise. Exclusive D'Addario (formerly Planet Waves) overmolded connectors provide extra protection with unmatched strain relief.