Except for the heat from the arc when it makes partial contact, and melts and
deforms the solder on the bottom of the bulb.
I prefer to tighten bulbs without power present, because I like a smooth bottom
bulb for best contact.
That's exactly the worst _possible_ way.
Maximizes risk of contact corrosion, overheating and fire.
Tantamount to telling people the best way to connect two wires is to make sure
they only barely touch.
Chris Lewis, Una confibula non set est
It's not just anyone who gets a Starship Cruiser class named after them.
I screw it in until I can feel the resistance of the bulb meeting the center
I've had two cases where someone had a dead socket, and the fix was to pull
the center tab out a bit. Another case which the socket flickered, and I
replaced the socket.
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