RCD testing — commonly known as safety switch testing — is vital to protecting your staff, customers, and property from electrical hazards. At Adelaide Hills Test & Tag, we perform comprehensive RCD testing across Adelaide and the Adelaide Hills to ensure your electrical safety systems are fully functional and compliant with Australian Standards (AS/NZS 3760). An RCD is your first line of defence against electric shock. It detects imbalances in electrical current and automatically cuts power in milliseconds to prevent serious injury or damage. Over time, however, RCDs can wear out or become less responsive — making regular testing essential to ensure they trip correctly when it matters most. At Adelaide Hills Test & Tag, our technicians perform detailed RCD trip-time tests using advanced testing instruments to verify that each safety switch operates within the correct range. We test single-phase, three-phase, and portable RCDs commonly found in workshops, schools, commercial kitchens, and office environments. Our team provides clear, professional reports that detail each RCD tested, its performance results, and any issues identified. These digital records are invaluable for audits, insurance documentation, and long-term compliance management. If any device fails testing, we’ll provide guidance or coordinate repairs to help you restore safety and compliance quickly. With our local knowledge, precision testing, and dedication to service, Adelaide Hills Test & Tag has become a trusted partner for businesses looking to protect their people and property.