Such a setup is typical for very cheap technology. This stove is with a completely undemocratic price and a mass of apparently paid reviews on YouTube. Should match the stated specifications. Write off the discrepancy between the power and the declared parameters for wiring, etc. I can not. The distance to the shield is not more than 1.5 meters. The wiring was specially replaced with thick copper to connect an electric oven, washing machine and dishwasher with an electric kettle. During the check of the tiles, the rest of the electrical appliances were turned off. Divorce. It's a shame to feel cheated out of your own money.