5-Foot Plug-in Ground Wire for Technics Turntables. Say goodbye to annoying hum and static and embrace a world of pure sound fidelity with our 5-Foot Plug-in Ground Wire for Technics Turntables. Model Compatibility: Suitable for a range of Technics turntable models including SL-BD10, BD20, BD22, SL-D33, SL-DD22, SL-QD2, QD22, QD33, SL-J33, SL-L20, L24, and more.