![]() ![]() Knowing which voltage is between which two wires is key when installing one of our multi-tap transformers. Usually, between neutral and a phase is a smaller voltage, and between two different phases is a larger voltage. This allows each configuration to provide two to three different voltages. ![]() ![]() The main point to get from this is that your incoming power typically has three phases and one neutral. Please note that not every delta or wye set up will have these voltages, these are just two examples. The wye configuration also looks a bit like a flux capacitor from Back to the Future if that helps. Delta ConfigurationĪn easy way to remember this is that the delta configuration looks like a delta symbol, and the wye configuration looks like the letter “Y”. Typically, they’re in either a delta or wye configuration. Luckily, the solution is an easy one to remember once you know it.Ī large part of being able to figure this out is knowing how your 3-phase incoming power is set up. This is understandable, considering all the wires involved. Occasionally we get calls from customers asking which wires to connect to our multi-tap transformers. ![]()
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