Replacement plug for RV cables This Dock Floats LTD part is intended as a replacement for damaged, broken or inefficient RV cable plugs. This is a 30 amp female plug with a compact easy-pull design. The heavy-duty housing will not place strain on the cable you attach. This plug is a TT-30R receptacle. It is compatible with most RV brands. Only to be used with suitable power cables and connectors. Do not exceed rated current and power.