RCD labels, available in high and low volume to suit your needs. Personalise or standard RCD test labels, supplied on rolls. This RCD label is designed to comply with BS 7671 Requirements for Electrical Installations. "514.12.2 - Where an installation incorporates an RCD a notice shall be fixed in a prominent position at or near the origin of the installation. Encourage testing of your RCD devices. All RCD devices should be tested quarterly to ensure that they are working correctly, these RCD labels should be attached to all electrical equipment which are fitted with a RCD device. These RCD labels are designed to be left on the fuse board to advise customers of the procedure they carry out if their circuit trips.