Single and Triple Phase? Answered
Ok, so I thought I knew how the power phases worked and then I got myself confused. Our house has three phases and it offers power at 120v, 240v, and 480v (or at least can I think). All three wires on the power poles go to transformers and then to the house and so on. I have seen houses that just use one which I think I understand unless they try to get a dryer then what do they do. I am going to ask a little more than phases here to just to make sure I get this. In you wall outlet one is from a line on the power poles correct? and the other is ground which works because at the generator site the electricity is grounded on one side. Now before I get ahead of myself, how can there be single and triple phases in a 120v outlet and what exactly are they. Now, at a 240v outlet you have two hot wires coming from the power lines right, and then one ground. Now I think all the lines on the poles come down to 120v, so how do you get 480v from three 120v lines. 3*120 does not equal 480v. I am confused. Also will having triple and single phase even effect how things work. Like we have a 120v single phase compressor and it works just fine at our triple phase hose. So it doesn't really make any sense at all.