Construct an Isolation Transformer
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Uploader Comments (AllAmericanFiveRadio)
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This setup is for radio chassis which draws on more than 1.5 amps.
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i followed your advice but should have asked for more, i got one. it is rated at 270 VA. im not sure what that means. but if i plug in a drill it blows the fuse so i dont know what good it is. can you explain pls what 270 VA is? thanks
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I have put it on the YouTube to-do list.
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Hi Rick ,I wonder when you get time if you could make a tutorial on how to wired the ac line cords to the ac-dc 5 tubes sets so they will be safe as possible. I always am confuse about these radios and how one side of the line is chassis ground and if you use a non polarized cord the chassis can be hot. Some have a capacitor to protect from this but I just dont really understand the correct method. Maybe you can get me thinking the correct way of wiring these radios. Many Thanks Cliff Dice W8WHO
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Thanks for the video. Forgive my ignorance here, but this is something I've never understood. Why is commercial power dangerous? Why is it more dangerous than the 120VAC from the iso trans?
danieldempseymusic 10 months ago
@danieldempseymusic
Because you are surrounded by commercial power. Many more chances to get a shock with at least 40amps of power.
AllAmericanFiveRadio 10 months ago
Would it be the same if its only one transformer with 120 in 120 out
Or is it better to have the step down and then step up ?
Bonitabonitabonita 1 year ago
@Bonitabonitabonita
120 to 120 would be better, and that is how my commercially made isolation transformer is made.
AllAmericanFiveRadio 1 year ago
Rick, if I understand correctly "isolation transformer" is recommended whether the DUT has the 3 or 2 prong power chord. For 3 pronged DUT's, you recommend the use of an isolation transformer with DUT's grounding plug left open - providing complete isolation from commercial power. Is this correct?
451mnu 1 year ago
If you use a commercial ground on the isolated side there is a chance of getting a shock from commercial power. If there is no ground then there is zero chance of getting shock from commercial power.
AllAmericanFiveRadio 1 year ago