What type of grounding is ideal for preventing electrical safety hazards?

A low-resistance ground is essential for preventing electrical safety hazards because it provides an effective path for fault currents, minimizing the risk of shock or fire. When a fault occurs in an electrical system, such as a short circuit, a low-resistance grounding system ensures that the current flows safely to the ground rather than through unintended paths, like human bodies or combustible materials. This mitigates the potential for electrical hazards, as it facilitates the activation of protective devices (like circuit breakers or fuses) that disconnect the power, thereby enhancing overall safety.

In contrast, a floating ground lacks a direct connection to the earth and can lead to unpredictable voltage levels, increasing the risk of electric shock. A high-resistance ground does not provide an adequate path for fault currents, which can result in dangerous conditions as the electrical system may not clear faults effectively. Lastly, a dynamic ground, while used in specific applications, does not serve the same broad purpose of electrical safety across typical grounding practices as low-resistance grounding does. Therefore, establishing a low-resistance ground is a best practice for electrical safety.