Outdoor and/or waterproof switch

An electrical device such as, for example, an electrical switch is disclosed. The switch being arranged and configured to prevent ingress or intrusion of water, dust, or the like from the external environment thus making the switch particularly suitable for use outdoors or indoors where water and dust are expected. In one embodiment, the switch includes a base or housing, an internal actuator positioned within an internal cavity of the base, an external actuator accessible by a user, a barrier layer positioned between the internal actuator and the external actuator, the barrier layer arranged and configured to seal the internal cavity and the internal actuator, and a magnetic coupling arranged and configured to transfer movement of the external actuator to the internal actuator through the barrier layer.