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I have 2 TracerBN4215 with 2 arrays in series connected to each. one has voc about 90v the other around 50v. Every morning I have to disconnect the panel in order for the controller to pick up the correct voltage. If I dont do that the stay around 14.4v. As the sun gets stronger it very slowly...

Hi I'm new to the forum. I see a lot of grid tie inverters for sale on amazon, that plug into a house wall receptacle. I'm wondering about the legality and approval of these inverteres to just plug in without approvals. Anyone have thoughts about this in particular for Ontario Canada, Ontario...