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In Romania we had all kind of voltages, types of electricity (a.c. and d.c.), two phaes current, even different frequncyes (42 and 50 Hz. (Cy.) ). But the sockets, I think they where common - German standard.
As for today's fuses, I think the case can be from plastic. I do like plastic more because is an better insulator. In the past, they used metal, but also wood and marble and plastic or P.V.C.
Who haves 3 phase current at home?
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OLD, but ORIGINAL, not Made in CHINA.
Sailor Moon
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