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Do-It-Yourself (DIY) Question & Answer Forum
Replacement for a transformer block powering wire track lighting
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<blockquote data-quote="Geoff1946" data-source="post: 506770" data-attributes="member: 28452"><p>Interesting, but I would suggest that the issue in your example is badly designed equipment which, if properly tested wouldn't meet the mandatory EMC emissions standards?</p><p></p><p>I'm not saying you are wrong but I think it may be a limited problem.</p><p></p><p>The average home must have a dozen or more SM units, many of them wall-warts with a couple of metres of lead to the appliance. Some of these will have the little ferrite bobbin on the lead, some not.</p><p></p><p>In my conservatory I have five metres of led strip running off a five amp switch mode unit. The radio below suffers no effects though I admit the AM bands are not used now.</p></blockquote><p></p>
[QUOTE="Geoff1946, post: 506770, member: 28452"] Interesting, but I would suggest that the issue in your example is badly designed equipment which, if properly tested wouldn't meet the mandatory EMC emissions standards? I'm not saying you are wrong but I think it may be a limited problem. The average home must have a dozen or more SM units, many of them wall-warts with a couple of metres of lead to the appliance. Some of these will have the little ferrite bobbin on the lead, some not. In my conservatory I have five metres of led strip running off a five amp switch mode unit. The radio below suffers no effects though I admit the AM bands are not used now. [/QUOTE]
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Replacement for a transformer block powering wire track lighting
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