Discuss shaver socket in the Electrical Wiring, Theories and Regulations area at ElectriciansForums.net
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E
ezzzekiel
selv source
J
JT C
In other words segregated extra low voltage. ie it has a transformer that steps down the voltage.
R
roukel01
Shaver sockets are 230/110 volts and are not SELV, remember Extra Low Voltage is 50V or below . A shaver socket has a double wound isolating transformer. This means the socket is electrically separated from earth, allowing you under single fault conditions to touch a live conductor and earth and not receive a shock. (Because there is no earth path)
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G
Guest123
Electrical seperation is the keyword.....roukel's post explains it well. A shaver light/socket contains an isolating transformer in which it's secondary winding is completely isolated from the earth of the supply circuit, thereby eliminating the path to earth for shock current.
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D
drywax
how would you install one spare off a ring or radial ?
G
Guest123
D
Davey101
Just out of interest, has anyone ever tried out the theory, and touched the live of an isolating tranny?!
B
baldsparkies
Well I have stood on a rubber isolating mat and touched a 240v live conductor (Same principle ie no return path) and I didnt feel a thing not even a tingle. Mind you a sparky I was working with did it first, just to prove his point. All was fine until I shook his hand.
Ps, NOT RECOMMENDED.
Ps, NOT RECOMMENDED.
S
skipper
Never touched one, but measured it on a boat's shaver point that was being fed by a 2.5kW modi sine inverter. These have fundamentally diferent characteristics to land-based mains power.
The secondarys of that isolating tranny had a line-earth potential of more than 70VAC!!! Enough to give a tingle for sure.
The line-line potential was 270VAC.
Anybody measured the same on a household shaver point?
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Ok I got all that but if you are in the bathroom there is probably water/ humidity, would that complete the circuit ?!!!
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