Modern bathroom receptacles are typically connected to which type of circuits?

Modern bathroom receptacles are typically connected to 20-amp, GFCI-protected circuits. This is because bathrooms are considered “wet” areas, where the risk of electrical shock is significantly higher due to the presence of water. Ground Fault Circuit Interrupter (GFCI) protection is mandated by electrical codes for outlets in these locations to ensure user safety.

The use of 20-amp circuits allows for a higher load capacity, accommodating devices such as hair dryers and electric shavers that may draw more current than standard appliances. The combination of these protective measures ensures that any ground faults are quickly detected and interrupted, enhancing the safety of electrical installations in bathrooms.

In contrast, receptacles on 15-amp circuits can be insufficient for the demands of typical bathroom appliances, and non-GFCI circuits do not provide the required protection against ground faults. High-amp circuits like 30-amp are not appropriate for standard bathroom receptacles, as they are intended for heavy-duty appliances and equipment.