I think the incorrect term '2 phase' is the split single phase (or single phase 3 wire) that the Americans use, 120 v from 'neutral' to either line but 240 v from line to line and that 240 v is termed '2 phase' despite the fact that it is a single phase. All of these lines are supposed to float - no connection to earth is supposed to be made.




 On 13-Feb-17 07:27 AM, [email protected] wrote:
On 12/02/2017 20:07, Mike Thompson wrote:
Jherome,

... Having spent some time in the electrical industry (in the U.S.) my understanding is there is no such thing as "2 phase", only single phase and three phase.



In terms of supply to premises, you're going to get single phase or 3-phase, but I think that you can still get minor power lines carrying just 2 phases (e.g. to 2 houses, each single phase) can't you?

Best Regards,

Andy

(who hasn't actually done any 3-phase wiring in 40 years, so it might have changed a bit since then!)


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