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Do-It-Yourself (DIY) Question & Answer Forum
Low Mains Voltage (~190-220v) - How to resolve?
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<blockquote data-quote="ProDave" data-source="post: 503747" data-attributes="member: 6969"><p>A typical acceptable loop impedance might be 0.3 ohms, and at 120A that could drop 36 volts, so if you only have 230 to start with that would be down under 200V</p><p></p><p>But a 10A oven dropping 10 volts does not sound right which is why I suggest get an electrician to do a loop test.</p><p></p><p>With that sort of load through a domestic single phase consumer unit it would not be unheard of to find some issues.</p><p></p><p>You need to be sure all your stuff is squeaky clean before calling the DNO again.</p></blockquote><p></p>
[QUOTE="ProDave, post: 503747, member: 6969"] A typical acceptable loop impedance might be 0.3 ohms, and at 120A that could drop 36 volts, so if you only have 230 to start with that would be down under 200V But a 10A oven dropping 10 volts does not sound right which is why I suggest get an electrician to do a loop test. With that sort of load through a domestic single phase consumer unit it would not be unheard of to find some issues. You need to be sure all your stuff is squeaky clean before calling the DNO again. [/QUOTE]
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Low Mains Voltage (~190-220v) - How to resolve?
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