Electrical appliance installation can be complex and should always be carried out by a certified electrician. At O'Brien Electrical Castle Hill, we ensure every appliance is installed according to manufacturer specifications and Australian safety standards. Our experienced team also checks your wiring, power points, and circuits to make sure your home or business is safe and ready for use. We service both residential and commercial clients throughout the Hills District — working flexibly to suit your schedule. Whether you’re fitting a new dishwasher, rangehood, or industrial appliance, you can rely on our team for professional, affordable, and guaranteed installation services backed by decades of expertise.