# Can 208V be three phase?

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## How do you get 208V 3-phase?

For three-phase, you connect line 1 to line 2 and get 208 volts. At the same time, you [can] connect line 2 to line 3 and get 208 volts. And you [can] connect line 3 to line 1 and get 208 volts.

## Does 208 single phase exist?

120/208V Single Phase Power

120/208V single phase is derived from 208V three phase power. If viewed on an oscilloscope, the three voltage waveforms on the three “hot” conductors all peak at different times: each one is 120 degrees behind the next.

## Is 240V 3 phase the same as 208V 3 phase?

208V is *not* the same as 240V. 208V is the voltage between phases of a 3-phase “Y” circuit that is 120V from neutral to any hot. 480V is the voltage between phases of a 3-phase “Y” circuit that’s 277V from hot to neutral.

## Is 208 3 phase delta or wye?

International Electrical Distribution Systems

Description L–N Vac WattNode Models (Wye or Delta–Voltage)
3-Phase, 3-Wire 208 V Delta (No neutral) 3D-240
3-Phase, 3-Wire 230 V Delta (No neutral) 3D-240
3-Phase, 3-Wire 400 V Delta (No neutral) 3D-400
3-Phase, 3-Wire 480 V Delta (No neutral) 3D-480
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## Why does 208 not need a neutral?

It has always been . If your system only requires three phase operation or single phase 208, a neutral is not required. IF you did need a neutral then you would DERIVE it at your secondary of your service transformer. To DERIVE is to create what was not there.

## How many amps is a 3 phase supply?

On a 3 phase 4 wire system at 220/380 volts, a load of 60KW total or 20kw per phase, MUST be about 100 amps per phase. Therefore a measured phase current of 350 amps implies that the actual load must be a lot higher than 60kw.

## Does my street have 3 phase power?

Perhaps the simplest way to tell if you’re on single phase or 3-phase power is to check your switchboard. Look at the ‘main switch’ or ‘normal supply main switch’ on your switchboard. If the switch looks like three switches combined into one and is wider than 3 cm, you have 3-phase power.

## Can you run 208V motor on 240V?

If the motors are single voltage 208V (there are also dual voltage motors), their use at 240V, a 15% overvoltage, will cause overloading and overheating of the motor. Your best bet would be to get a buck/boost transformer connected in buck mode to drop the 240V down to something much closer to 208V.

## Can you run 208V equipment on 240V?

As stated above, a good part of the time, the motors are OK with either 208 or 240. The control transformer could very likely be connected 240 as well. If it’s connected 208, it most likely has a tap for 240. It’s pretty rare that either of these voltages are not interchangeable.

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## Can I use 208V instead of 230V?

Higher operating temperature will result in a shorter life expectancy. Even though the system voltage of 3 phase 208 is within the -10% rating of the three phase 230 v motor, the 208 is allowed to vary to -10% or 187 volts — and the motor will not work at that level. … This motor was built to be used on 240V system.