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How many connectors are there in a three-phase Q-cable (Q-25-20-3P-160)? The cable changes phase at each connector, so do I need 6 pieces of Q-cable for 18 solar panels? Or is the cable supplied in one piece with 18 connectors and the installer cuts the cable into the appropriate sections. So...

Enphase is quite a confusing system, from a European point of view (sorry). This is presumably due to the diversity of electricity grids. In addition, Enphase's IQ system is modular and there are a lot of components. Some parts are single-phase, some are three-phase. I have been planning to...

Greetings from the wild north. Well, actually there is nothing wild here because I live in a suburb in the south of Finland. I have a small detached house and an 8 kW geothermal heating system (Nibe F1255). The geothermal well is 180 m deep. The geothermal well is also used to cool the house...