In residential wiring, what is the standard voltage for outlets and light fixtures?

In residential wiring, the standard voltage for outlets and light fixtures is 120 volts. This voltage level is commonly used in homes in North America and is ideal for powering a wide range of devices, including lights, appliances, and electronics.

Using 120 volts helps ensure safety, as it is low enough to reduce the risk of severe electric shock compared to higher voltages, while still being sufficient to power most household devices efficiently. Additionally, the electrical systems in residential buildings are typically designed around this standard, including circuit breakers, outlets, and wiring, all rated for 120 V operations.

Higher voltages, such as 240 V or 480 V, are generally used in specialized applications like heavy appliances (e.g., electric ranges, dryers, and HVAC systems) or in commercial settings. In contrast, a voltage like 60 V is not standard in residential applications and would not be used for general lighting or outlet needs.