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Under-cabinet lights are typically attached to your cabinets using mounting brackets or adhesive, depending on the type. For puck lights or fixtures, you'll secure the mounting brackets with screws and then attach the lights. Cords are fastened with cable staples to keep them tidy. For LED strip lights, you can use the adhesive backing to stick them directly to the underside of the cabinets.

Under-cabinet lights can be powered in several ways. Hardwired lights connect directly to your home's electrical system, providing a constant and reliable power source. Low-voltage LED lights use a transformer to convert standard voltage to the required low voltage. Alternatively, plug-in lights connect to existing outlets, and battery-powered options eliminate the need for wiring altogether.

If the installation involves new hardwired electrical connections, you may need a permit to install under-cabinet lighting. Permit requirements vary by location, so it's important to check with your local building department or lighting installation pro. Obtaining a permit ensures that the installation complies with local codes and promotes safety. A licensed electrician can help you determine if a permit is needed and assist with the process.