# What is difference between Star and Delta Connection?

What is difference between Star and Delta Connection?

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Star is

1. Open ckt

2. At center point present  neutral

Delta is

1.   Closed ckt

2.      Neutral not present in this case

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Last Answer : Older planes have to be retrofitted to have a power source by every seat. It is pretty standard on newer planes. Without knowing the the type of plane it would be impossible to know. And even with that it might be hard to say for certain. Your best bet is to call and ask. 