Discuss 2 separated RCD in one grill. in the Electrical Forum area at ElectriciansForums.net

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Hi guys!I have a question.
We have a 3 phase electric grill with two cooking area and two separated circuit will feed those areas lets say left h side and right h side.Both circuit will be protected by 30mA RCD.My question,is it possible to get a dangerous situation if on both circuit will have 20-20mA leakage.in this case it would exceed 30mA.but the individual RCDs will measure only 20mA...i hope you are with me.
Thank you for your answers
 
Can you post the make and model, or even better the instructions?
I have never seen a grill requiring 2 separate 3phase supplies. Not saying it’s impossible, but it is certainly rare.
 
Can you post the make and model, or even better the instructions?
I have never seen a grill requiring 2 separate 3phase supplies. Not saying it’s impossible, but it is certainly rare.
Basically just i would like to know if this situation would shows up,would it be dangerous?
 
Just thinking this through.... not sure how that would work? Logically if they're in the same box then the CPC would be common. Would make more sense to have one RCD upstream of the split to two branches.
 
You need to give more info are these two three phase circuits or two single phase.
 
We understand that you are feeding or intending to feed it with 2 supplies, what we don’t know is if the appliance was designed to accept 2 separate supplies or if you are trying to make it work outside of the manufacturers installation instructions.
 

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