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<blockquote data-quote="a33" data-source="post: 1105933" data-attributes="member: 332642"><p>Yes, that can happen with LED-bulbs or tube-lights. Normally when you put the switch in the other wire, the phenomenon ends.</p><p>I don't believe it is really harmful, though, though I'm not an expert on this.</p><p></p><p>The same effect I believe is that with a (non-earthed) TV or receiver that has a so-called 'switching power supply', sometimes you feel a little bit of tension when lightly touching or rubbing over the chassis/ground-connection. This voltage (towards the earth connection of your house) can easily be measured with a volt-meter.</p><p>Here, changing the plug's 'direction' also diminishes this voltage.</p><p>When you have several TVs and receivers all connected through the 'ground' of the satellite cables, you have to check all of them (with all cables disconnected). I got rid of of this tingling tension-feeling on my equipment, this way.</p><p></p><p></p><p>[USER=369937]@Terryl[/USER] :</p><p>I would think you have a single phase connection, with tapped secondary.</p><p>(see <a href="https://www.pumpsandsystems.com/why-wye-connection-why-delta-connection" target="_blank">Why Wye Connection? Why Delta Connection?</a> )</p><p></p><p>As [USER=176256]@PaulR[/USER] indicated: as long as you don't use the ground connection for your light bulb, you have a 'normal' 230V connection for your light bulb. No needs to worry, I would say.</p><p></p><p>Greetz,</p><p>A33</p></blockquote><p></p>
[QUOTE="a33, post: 1105933, member: 332642"] Yes, that can happen with LED-bulbs or tube-lights. Normally when you put the switch in the other wire, the phenomenon ends. I don't believe it is really harmful, though, though I'm not an expert on this. The same effect I believe is that with a (non-earthed) TV or receiver that has a so-called 'switching power supply', sometimes you feel a little bit of tension when lightly touching or rubbing over the chassis/ground-connection. This voltage (towards the earth connection of your house) can easily be measured with a volt-meter. Here, changing the plug's 'direction' also diminishes this voltage. When you have several TVs and receivers all connected through the 'ground' of the satellite cables, you have to check all of them (with all cables disconnected). I got rid of of this tingling tension-feeling on my equipment, this way. [USER=369937]@Terryl[/USER] : I would think you have a single phase connection, with tapped secondary. (see [URL="https://www.pumpsandsystems.com/why-wye-connection-why-delta-connection"]Why Wye Connection? Why Delta Connection?[/URL] ) As [USER=176256]@PaulR[/USER] indicated: as long as you don't use the ground connection for your light bulb, you have a 'normal' 230V connection for your light bulb. No needs to worry, I would say. Greetz, A33 [/QUOTE]
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