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GameCube Player
The Engineering Mindset
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Comments by "GameCube Player" (@gamecubeplayer) on "Why Circuit Breakers DON'T Protect People (electric shocks)" video.
for example a 1.5mm² cable can easily handle 10a inside a wall but 16a outside a wall
6
why didn't the uk use screw in fuses like europe & america?
3
@nighttow8780 in europe the standard 230v (or 400v) circuits are 16a but 230v 10a circuits also exist because that's still over 2000w
3
@antaress8128 i doubt c25 is the correct breaker size: 1.0mm² c6 (lights) 1.5mm² c10 (lights & sockets) 2.5mm² c16 (sockets & 3 phase ranges) 4mm² c20 (single phase ranges) 6mm² c25 (main)
3
aren't those just fuses? tulppasulake?
2
our standard outlets are only 120v
2
what? you have c25 breakers? shouldn't they be c16?
2
having fuses in plugs is unsafe because if they keep blowing then people will use bigger fuses
1
an elcb only detects current in the earth wire unlike an rcd
1
@AMATISIG what you just described is an rcd
1
i think it's because for example 12awg is thinner than 4mm² so the american 20a breakers are faster blow than the european 20a breakers
1
we have 120v 20a 5ma gfci sockets
1
@DavidLeecl nowadays we have not only gfci breakers but also tamper resistant sockets
1
what do you mean "common neutral"? each circuit has its own neutral wire but they all share a thick main neutral wire
1
@nicolas073 why would a circuit breaker need to cut the neutral wire? that doesn't make any sense
1
an elcb is obsolete because it only detects current in the earth wire unlike an rcd
1
did you know? a standard b20 breaker is slower than a standard 20a american breaker
1
230/400v mcbs exist & you just have to disconnect live wires
1
are you sure about that? because high voltage dc is rare
1
what about connecting the lamp's ground to the neutral? tn-c earthing system?
1
@mastergx1 old homes in finland use the tn-c earthing system where the washing machine circuit is 2x2.5mm² instead of 3x2.5mm²
1
@mastergx1 the schuko socket is unpolarized but grounded
1
an elcb isn't recommended because it only trips if there's current in the earth wire unlike an rcd
1
@ColinDyckes what you just described is an rcd
1
@ColinDyckes it's not the same thing because of the reason i said, you can say rccb if you want because that's a different name for the same thing
1
does australia use mcbs? the standard australian socket is 15a but 15a mcbs don't exist
1
you don't have to cut the neutral wire because it's 0v
1
@erict1595 i've only seen double pole switches for inlets
1
i've only seen double pole switches for inlets
1
dc creates bigger arcs than ac
1
that depends on the resistance of the earth circuit but if it's tn-c or tn-s instead of tt then the answer is usually yes
1
i only know finland but rcds didn't exist there until the 1990s
1
an elcb is obsolete because it only detects current in the earth wire unlike an rcd
1
that ground fault is just a short circuit if it's tn-c or tn-s
1
@oliversmith7130 you can't use rcd in a tn-c system
1
are you a furry? for some reason an mcb just flips like a switch
1
6000a is the maximum current that the breaker can break
1
rccb is usually called rcd
1