Blue Sea Systems 12 Volt Dash Socket The 12 Volt Dash Socket from Blue Sea Systems is designed to withstand the rigors of wet environments and constant vibration. This dash socket features a watertight cap and large contact surfaces to ensure a good electrical connection. Utilizes a twist lock system - the plug locks securely into the socket. Features Internal strain relief and cord seal Nickel plated copper alloy used for all current carrying components Front panel, rear panel, or surface mount