Ceiling pull cord switches, which are commonly used to control overhead lighting or ventilation fans in high-moisture areas.Main Purpose and FeaturesSafety First: These are primarily installed in bathrooms, shower rooms, or kitchens. Using a non-conductive string protects users from electric shocks when operating the light with wet hands.Design: They feature a round plastic housing designed to mount directly onto a ceiling junction box, connected to a long nylon pull string with a plastic toggle at the end.