fum Well-known member Joined Jun 3, 2004 Messages 861 Location Seattle Jul 26, 2004 #1 hey there, I have a power transformer that has 4 leads. supposed to be 115 > 28V. How do I figure out which is primary and which is secondary?
hey there, I have a power transformer that has 4 leads. supposed to be 115 > 28V. How do I figure out which is primary and which is secondary?
CJ Well-known member GDIY Supporter Joined Jun 3, 2004 Messages 15,738 Location California Jul 26, 2004 #2 ohm out the two pairs 120=high ohms 28=low ohms
