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Re: diode check



Original poster: "Antonio Carlos M. de Queiroz by way of Terry Fritz <twftesla-at-qwest-dot-net>" <acmq-at-compuland-dot-com.br>

Tesla list wrote:
> 
> Original poster: "colin.heath4 by way of Terry Fritz
<twftesla-at-qwest-dot-net>" <colin.heath4-at-ntlworld-dot-com>
> 
> hi ]
> the best way is to use an insulation resistance tester or megger as they are
> known in the uk
> these output 500 or 1000 volts so are just right for testing high voltage
> diodes

Get a regular diode that supports more than 200 V, and connect it in
series with the diode under test and a low-power 110 V lamp. 
Connect to the assembly to the power line. If the lamp lights up with
the unknown diode connected in only one direction, the diode is ok.

Antonio Carlos M. de Queiroz