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Consumer Unit Change Video. Nice.

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I liked this video because it is well filmed, has no loud music, and the sparks is very pleasant and explains things well. With plastic conduit I cheat and use manufactured elbows and bends sometimes because they save time and are very consistent and neat. What do you think?




Z.
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    It's not a blob of solder. Its usually either a thyristor or a gas spark gap thingy. And it has a specific set of tests it will have had to pass during manufacture, with specified voltage rises and rates, e.g. the 8/20uS pattern. Also, these things are not one-shot wonders: they can happily suppress 1000's of transients and only "blow" if they receive a transient beyond their rating (e.g. due to a nearby lighting strike).
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    It's not a blob of solder. Its usually either a thyristor or a gas spark gap thingy. And it has a specific set of tests it will have had to pass during manufacture, with specified voltage rises and rates, e.g. the 8/20uS pattern. Also, these things are not one-shot wonders: they can happily suppress 1000's of transients and only "blow" if they receive a transient beyond their rating (e.g. due to a nearby lighting strike).
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