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Electrical Inspection & Testing Forum
Oven trip new replacement RCB when being switched off.
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<blockquote data-quote="runningpiglet" data-source="post: 525535" data-attributes="member: 12468"><p>The electrician and you are both right! The oven switch is sparking on switch off, this doesn’t often actually cause leakage to earth so strictly speaking an RCD shouldn’t trip however many modern</p><p>RCDs do because they are sensitive to the spark’s radio interference. The ideal solution would be to fix or replace the switch, fitting an RC snubber device across the switch to suppress the spark is another option, worst option would be to try loads of alternative RCDs until you find one that doesn’t trip on the spark (while still responding correctly to 30mA imbalances).</p></blockquote><p></p>
[QUOTE="runningpiglet, post: 525535, member: 12468"] The electrician and you are both right! The oven switch is sparking on switch off, this doesn’t often actually cause leakage to earth so strictly speaking an RCD shouldn’t trip however many modern RCDs do because they are sensitive to the spark’s radio interference. The ideal solution would be to fix or replace the switch, fitting an RC snubber device across the switch to suppress the spark is another option, worst option would be to try loads of alternative RCDs until you find one that doesn’t trip on the spark (while still responding correctly to 30mA imbalances). [/QUOTE]
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Oven trip new replacement RCB when being switched off.
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