Review on DGZZI Quick Disconnect Extension Connector by David Stewart

polarity switch. They are not paired. Two each match black to red and red to black. So what was positive becomes negative. When used, one side is black = negative, the other side is black = positive. They should be sold in pairs with red plus on one side and red plus on the other. This reversed polarity can be a serious problem; this can affect security. When you use it for an electronic fridge, it turns the fridge into an oven. If you connect red to red on one side and red to red on the other side,