Shilala's Perfect Frigidaire Wine Fridge How To

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Now, if you are adding connectors, then you'll have to either test them with a continuity meter or go by the packaging as there are about a billion different styles, but here's an example of how they tend to be designed.





If you are cutting the connectors off and splicing wires, usually the wire with the marking is hot (+). The marking could be a ridge on the wire, a solid line, a dashed line etc. I say usually because sometimes they are wired with the marked wire as "tip" and with a tip negative supply, that would make the unmarked wire hot, so it's best to always double check with a multi-meter after you cut the connector off.