{"product_id":"socket-tester","title":"Socket Tester – RCD \u0026 Switch Socket Tester 230V 50Hz","description":"\u003cp\u003eA dual-function socket tester for diagnosing switch sockets and RCD (residual current device) faults in residential and commercial installations. Features Measurement Category CAT III 300V rating with RCD test response time of 60–300ms, enabling rapid identification of earth leakage and wiring faults. Essential for electricians and facilities managers ensuring safety compliance on every installation.\u003c\/p\u003e","brand":"Daynight Electrical","offers":[{"title":"Default Title","offer_id":44950280601808,"sku":"ST-230","price":257.76,"currency_code":"ZAR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/0590\/8176\/files\/ST-230.webp?v=1772617489","url":"https:\/\/daynightelectrical.co.za\/products\/socket-tester","provider":"Daynight Electrical","version":"1.0","type":"link"}