The arcing is normal. Even on relay contacts, the points get close enough, the air breaks down and a spark occurs until there is physical contact of the the two point faces, no matter how fast the contacts are closed.
Give a man a rescued dog for the health of both their souls. May 2017 ROTM Winner - Thank you!
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CUBS - 2016 World Series Champions - Thank you, Joe Madden … enjoy your next chapter.