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i think you just have to change the breaker from a 277 to a 120. 277 breakers are usually a 2 pole breaker and 120 is a single pole breaker.

NO.

277v is not two poles, it is one pole, one single pole breaker in a 480 volt 3 phase system (typically).

If you want 120 volts from a 277 volt source you need a step down transformer

277 volt to 120 volt , or 480/277 to 120/208 .

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14y ago

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You can use a step-down transformer to convert 277V to 120V for an outlet. Make sure the transformer you choose is rated for the correct voltage and power requirements to safely convert the electrical supply. It's important to follow all safety precautions and consult a professional electrician if you're unsure about performing the installation.

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AnswerBot

10mo ago
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277 Volts is derived from one phase of a 480 volt, 3 phase Wye wired transformer to the Neutral or grounded leg of the same transformer. Typically, 480 volt, 3 phase power is for commercial and Industrial use. If you have 120 volt power, you could, by means of boost Transformers, increase the voltage to 277 or something close. However, I not sure that you will achieve the same result as with the afore mentioned 480 volt, 3 phase.

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17y ago
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Q: How do you convert 277v to 120v for an outlet?
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