Old Service Equipment in Mom's Basement

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This was installed 50 years ago. Which should qualify for the nostalgia forum. 100A service, which was huge back then. The service is underground feed. My father told me that the POCO didn't feed 250V to houses then, but he convinced them to let us have 250V, as we had an electric range that needed it. The original kilowatt meter had two disks, and was intended for
120V/208V 2 phase. It got replaced 15 years ago.

The box below has a pair of 100A fuses inside. The fuses are fitted into a removable module that is plugged into a special socket inside that box. So you don't have to mess with hot conductors when changing a fuse. It's the service equipment. It feeds a thick BX cable that has 3 #2 wires inside. Which in turn feeds a breaker panel located in a wall in the center of the basement.

- wa2ise

Wa2ise,
Is that a drip-tray under that Meter enclosure?.

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Is that a drip-tray under that Meter enclosure?

Yes. I wanted to divert the occasional water drips away from the fuse box below. It rarely drips water, but I just wanted to avoid rust damage. I don't think the POCO would want me to mess around inside the meter enclosure, and I don't have PPE that I'd think one should have to mess around conductors with no current limiting. Besides, what could I do in there if I did go in? Squirt caulking in the conduit? That might not do the wires any good...