{"title":"Relays","description":"\u003ch4\u003eA relay is an electrically operated switch. Many relays use an electromagnet to mechanically operate a switch, but other operating principles are also used, such as solid-state relays. Relays are used where it is necessary to control a circuit by a low-power signal.\u003c\/h4\u003e","products":[],"url":"https:\/\/rcworst.com\/collections\/relays-1.oembed","provider":"R.C. Worst \u0026 Company Inc","version":"1.0","type":"link"}