When purchasing power cords to ensure protection against electrical hazards, there are several safety features you should look for: 1. UL Certification: Look for power cords that are UL (Underwriters Laboratories) certified. This means they have been tested and meet the safety standards set by this independent organization. 2. Insulation: Check for power cords that have thick and durable insulation. This helps to prevent any electrical leakage or short circuits. 3. Grounding: Ensure that the power cord has a three-prong plug. The third prong is the grounding pin, which provides an additional safety measure by redirecting any excess electricity to the ground. 4. Ampere Rating: Pay attention to the power cord's ampere rating. This rating indicates the maximum amount of current the cord can safely handle. Make sure the rating is suitable for the device you are using. 5. Length and Gauge: Consider the length and gauge of the power cord. Longer cords may be convenient, but ensure that the gauge is suitable for the intended use. Thicker gauges can handle higher currents more safely. 6. Overload Protection: Some power cords come with built-in overload protection mechanisms. These can automatically shut off the power supply if the current exceeds a safe limit, protecting your devices and preventing electrical hazards. Always follow the manufacturer's recommendations and guidelines when it comes to using power cords and ensure they are compatible with your specific devices.