According to Wikipedia, “An isolation transformer is a transformer used to transfer electrical power from a source of alternating current (AC) power to some equipment or device while isolating the powered device from the power source, usually for safety.”
Circuit Diagram of Isolation Transformer Using Two Transformer
Making your very own Isolation Transformer can keep you away from the risk of hazardous electrical shock while we are doing some repairs. According to Mi25, ” It also keeps us away from further damage to the equipment we are repairing like TV set, power supplies, and amplifiers that are under test condition because it will make the AC output low. This may not absolutely prevent component damage but it will surely helps in most cases.”
Here are the sample photos of the isolation transformer based on the circuit diagram above:
Use two identical transformer with a 6amp/22o volts with an output of 12v-0v-12v center tap.
Connect it back to back the 12v-12v. The 0v don’t have any connection at all.
Completely wired with neon lamp connected as its power indicator.
Isolation Transformer Powering a 220V/100watt bulb this article and images are all credits to: Mi25 of Elab Forum
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