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Terminal Burn Out.

There are some nice pictures here if you scroll down, of a terminal burn out, probably caused by a loose terminal screw. Nice old Crabtree stuff is virtually bomb-proof.

https://www.pistonheads.com/gassing/topic.asp?h=0&f=207&t=1953307

Oh, and do we need pre-main switch arc fault detection devices?

There seems to be evidence of heat build up but no fire in this case.

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0 David Stone over 3 years ago

Read this kfh, it might give the description you are looking for!

engx.theiet.org/f/wiring-and-regulations/28497/implications-of-the-term-recommended-in-7671

Mike has left a bit out too, a steel-steel arc without a coated electrode is very difficult, this is actually a major part of electrode coatings, that they can easily form the ions to start an arc. It is also why wet rods are not much good!
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0 David Stone over 3 years ago

Read this kfh, it might give the description you are looking for!

engx.theiet.org/f/wiring-and-regulations/28497/implications-of-the-term-recommended-in-7671

Mike has left a bit out too, a steel-steel arc without a coated electrode is very difficult, this is actually a major part of electrode coatings, that they can easily form the ions to start an arc. It is also why wet rods are not much good!
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Terminal Burn Out.

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