There's a pump which boosts pressure to the cold circuit (taps, bog etc) in our house when a tap is turned on.
About 1 time in 5, it won't spin, but just sit there humming. As I suspected, the electric meter spins pretty quickly when it's stuck like this!
The main plate on top says: OSIP Electropompe Tpe VCB45/42
0.33Kw 220-240v 2.5a 8=B5F Vc:450 Hz:50 IS.CL:FInside, there's a capacitor. It says: Italfarad - 05/90 (date of manufacture, I'd guess) RP-3 10040 =B5F: 10 =B15%b
450V~ DB HPFPU 400V~ DB HPFNT------------------------------
500V =B1