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سؤال: which contact is plus, middle (between ceramic sheets) or upper (above ceramic sheets)?

السؤال بواسطة BG188441642 على 2021-01-18 11:24:27

BG614355419 Head and bottom (horn) are always negative. Plus is in the middle. It is recommended to insulate against the tank with a thin glass fiber fleece (Fly net).

2021-07-01 06:42:04 مساعدة (3)
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