b'24 Hour MechanicalTIME SWITCHESBased on over 100 years of manufacturing the most innovative products of its era, Reliance Controls offers its 2020 version of a full-line of time switches packed with all-new user and safety features:For controlling lighting, pools and spas, pumps and compressors, heating and air conditioning, farm, commercial and municipal lighting and signs, electric motors and many other types of electrical loads. 5'