Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
identify windings of unknown transformer using continuity check.
take another transformer with low voltage output such as 6V for example as a test AC source.
connect any of the unknown windings to test AC and measure AC voltage on all coils.
the one with highest voltage is the primary.
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