Is it illegal to have a light switch in a bathroom?

Having a light switch in a bathroom is not illegal; in fact, it is standard practice required in every residential bathroom for overhead lighting and exhaust ventilation. However, strict electrical safety codes govern the placement of switches and electrical outlets in bathrooms due to the high presence of moisture and water. According to the National Electrical Code, standard switches and outlets located near sinks, bathtubs, or showers must be protected by Ground Fault Circuit Interrupter (GFCI) breakers or receptacles to prevent severe electrical shock. Additionally, placing a switch directly inside a shower enclosure or within splashing distance of water sources is strictly prohibited for safety reasons.

No, it is not illegal to have a light switch in a bathroom, provided the installation strictly complies with the National Electrical Code (NEC) and local building regulations regarding moisture, grounding, and safety zones. In fact, standard bathroom lighting and exhaust fan switches are universally required right outside or inside the bathroom doorway. However, safety rules dictate that traditional line-voltage switches cannot be installed inside a bathtub or shower enclosure where they could be splashed directly with water. Furthermore, all bathroom circuits must be protected by Ground Fault Circuit Interrupter (GFCI) protection to prevent severe electrical shock hazards in damp environments. You can verify safety compliance by ensuring your switches use proper damp-rated covers and GFCI breakers.