My neighbour was happy to test my adapter for me and I had … Twetch · December 29, 2019 My neighbour was happy to test my adapter for me and I had the polarity correct but it is good to be positive, pun intended.https://twetch.app/t/2c95cc0b99d9faab983e08f0be916aba59aa51cca04740422f8d5759992c39d1