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Sparks flying when wiring a contactor to a Sonoff for high current devices. Ideas? : r/homeautomation
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Electric relay with sparks jumping between the contacts, due to breaking a heavy inductive load Stock Photo - Alamy
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power electronics - Reduce/Remove Sparks in AC and DC Contacts of Relays - Electrical Engineering Stack Exchange
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1NO 1NC 2 Pole 1Pc No Spark Household AC Contactor Industrial Contactor for Household Applications(220V/230V) : Amazon.co.uk: Business, Industry & Science
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