In-Line Switch Wiring
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In-Line Switch Wiring
18-12-2013 11:53 AM
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To make a "safe" connection, I decided to do it inside the in-line switch .... then noticed that the switch was actually wired across the BLUE wire....
Am I correct in thinking this is "not correct" ? and it should be wired across the BROWN (live) wire?
Re: In-Line Switch Wiring
18-12-2013 11:55 AM
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Re: In-Line Switch Wiring
18-12-2013 12:23 PM
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Re: In-Line Switch Wiring
18-12-2013 12:26 PM
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Re: In-Line Switch Wiring
18-12-2013 12:40 PM
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it is a moulded plug.... so had to check it out with the ohm meter...
I think I will write to ASDA and let them know about it... !
Re: In-Line Switch Wiring
18-12-2013 1:42 PM
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[quote="BBC"]
In the UK, standards are regulated by the British Standards Institution (BSI). Products which meet these standards can be marked with the KiteMark.
There are also separate standards for the European Union. If a product meets these, it can be given a CE Mark. The marks show government officials that the product conforms to a standard, which enables it to be legally placed on the market within their country.
[Edit] Added some more info
Re: In-Line Switch Wiring
18-12-2013 2:09 PM
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Re: In-Line Switch Wiring
18-12-2013 2:13 PM
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Re: In-Line Switch Wiring
18-12-2013 2:15 PM
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If the plug got broken and someone replaced it following the correct wiring standards (brown-live / blue neutral) then this could be potentially very dangerous.
At any given moment in the universe many things happen. Coincidence is a matter of how close these events are in space, time and relationship.
Opinions expressed in forum posts are those of the poster, others may have different views.
Re: In-Line Switch Wiring
18-12-2013 2:25 PM
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Quote from: w23 if neutral is switched instead of live then the lampholder remains live when switched off
And assuming that the neutral isn't earthed as HmB has said, it would still remain live even if the live was switched because the neutral would be carrying AC too.
Re: In-Line Switch Wiring
18-12-2013 2:28 PM
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At any given moment in the universe many things happen. Coincidence is a matter of how close these events are in space, time and relationship.
Opinions expressed in forum posts are those of the poster, others may have different views.
Re: In-Line Switch Wiring
18-12-2013 3:42 PM
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There is no "Earth" connection ( only two wires Blue and Brown)... The plug is fused.
Re: In-Line Switch Wiring
18-12-2013 3:49 PM
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To argue with someone who has renounced the use of reason is like administering medicine to the dead - Thomas Paine
Re: In-Line Switch Wiring
18-12-2013 4:05 PM
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The neutral wire if you touched it by accident would not kill you or even give you a shock in 99.999% of the time but the live will always be potentially fatal.
Imagine if you came across a person being electrocuted and you turned the switch off. You'd naturally assume that by removing the power to the item (which would now appear dead) that you would not get a shock from touching the said person/appliance but if isolating the neutral instead of the live had been performed then you too could end up getting electrocuted.
Take another scenario : You have an unearthed badly wired metal desklight. The live wire goes through straight to one contact of the bulb. The other contact goes to the metal case and the neutral wire to the plug. Don't laugh - I've seen this happen.
With no bulb in, nothing is live
With the bulb in, the neutral wire brings the potential of the case back down to zero.
With the bulb in and the neutral wire disconnected, the case of the lamp is at the full 240 volts !
An extreme example but a company I once worked for had a similar scenario when they made a slight modification to a product which meant when the item was "off" there was a readily touchable 240v live metal part sticking out of it ......
This is also the reason that at your fuse box, the fuses are *always* inline with the live wire.
Re: In-Line Switch Wiring
18-12-2013 4:21 PM
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I took the cover off the plug and all was correct in there, red - live, black - neutral and green - earth.
When I took the bottom off the unit the connector inside was wired red - earth, green - live and black - neutral with the switch downstream of this connector making the whole unit live as soon as it was plugged in.
Fortunately all they had done was plug it in and switch it on with the insulated control.
I rewired and returned it telling them of their near miss.
To argue with someone who has renounced the use of reason is like administering medicine to the dead - Thomas Paine
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