single phase &3phase ckt ID.
- Thread starter tld38
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- Location
- New Jersey
- Occupation
- Journeyman Electrician
Single phase is just odd and even:
odd="black", even="red".
For three phase you can find the third phase "blue" if the circuit number is divisible by 6 and also the circuit number before it. I.e.- circuit 30 is divisible by 6 so circuit 30 is "blue" and so is the number before it, circuit 29. You can also use the remander from your division to find the "black and "red" circuits but I just use the divisible by 6 method an interpolate the rest in my head.
I put those colors in quotes because they're for illustration purposes only.
odd="black", even="red".
For three phase you can find the third phase "blue" if the circuit number is divisible by 6 and also the circuit number before it. I.e.- circuit 30 is divisible by 6 so circuit 30 is "blue" and so is the number before it, circuit 29. You can also use the remander from your division to find the "black and "red" circuits but I just use the divisible by 6 method an interpolate the rest in my head.
I put those colors in quotes because they're for illustration purposes only.
For single phase black,red circuits, divide by 4, if remainder is 1 or 2, then its black. If remainder is 3 or 4, then its red. Also if remainder is 0, then its red. 241/4 is 60 with a remainder of 1. 1 = black.
Rick
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