Stop in for a cup of coffee

Ugh so I flipped the light switch in this old barn and boom, goes the bulb holder.
Flip the breakers, pull the porcelain holder that’s been in place since 1997, full of crap yuck.

So I go to menards, get the only porcelain ones they have, get back and the new one has two screws instead of 4… does this matter? I think I’ll go to the electric supply shop tomorrow and see if they can match it. Gonna replace all the existing boxes and holders, as well as the switch and wire.

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