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> Wiring guide : 3 color wire (green, blue,black), Which one neutral, live and earth

klaw
post Jul 19 2015, 01:50 PM
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Hi!
Need some advice smile.gif

I have 2 20A switches in my kitchen which are unused:
user posted image

When I first renovated years ago, I couldn't decide if I wanted to get a microwave and oven fitted into my kitchen cabinet, so I left those cabinet empty, and my contractor just terminated the wires for me.

Top:
user posted image


Bottom:
user posted image


Questions that I have:
1. What is the difference between the top configurations and the bottom configurations?

2. I want to buy a microwave with oven combo: Something like this specs: Panasonic Microwave Oven
These microwave ovens normally come with a normal 3-pin plug. Can I remove the plug and connect the microwave wires directly to the 20A switch wires via the terminal connectors?

Thank you in advance for replying!
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weikee
post Jul 19 2015, 03:24 PM
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QUOTE(klaw @ Jul 19 2015, 01:50 PM)
Hi!
Need some advice smile.gif

I have 2 20A switches in my kitchen which are unused:
user posted image

When I first renovated years ago, I couldn't decide if I wanted to get a microwave and oven fitted into my kitchen cabinet, so I left those cabinet empty, and my contractor just terminated the wires for me.

Top:
user posted image
Bottom:
user posted image
Questions that I have:
1. What is the difference between the top configurations and the bottom configurations?

2. I want to buy a microwave with oven combo: Something like this specs: Panasonic Microwave Oven
These microwave ovens normally come with a normal 3-pin plug. Can I remove the plug and connect the microwave wires directly to the 20A switch wires via the terminal connectors?

Thank you in advance for replying!
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both the same, the one you see 2 green because the earth is loop to another location and you must have both the earth connected.

Not advisable, get a box, put in a socket, and use that sockect for your microware oven, the plug supply by microwave is for safety measurement, it have a 13amps fused.


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idoblu
post Jul 19 2015, 06:14 PM
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This post has been edited by idoblu: Apr 26 2016, 07:58 PM
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bernking
post Dec 3 2015, 02:14 PM
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QUOTE(weikee @ Jul 19 2015, 03:24 PM)
both the same, the one you see 2 green because the earth is loop to another location and you must have both the earth connected.

Not advisable, get a box, put in a socket, and use that sockect for your microware oven, the plug supply by microwave is for safety measurement, it have a 13amps fused.
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hey guys if i want to conceal a wiring casing inside my wall so that i can use it to hide my power cords between my plug point and my appliances. any casing to recommend?
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scorpiok
post Dec 12 2015, 01:38 PM
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Hi guys, need some advice here.

I just bought a new switch for my water heater. There are 2L2N and 1 symbol like wifi which I think it should be G (5 holes in total).

When I open the old switch, I realise that there are 2 black, 1 blue, 1 red and 2 green wires.

Should I just connect the 2 green wires to G?

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BaronVonchesto
post Apr 26 2016, 06:01 PM
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QUOTE(scorpiok @ Dec 12 2015, 01:38 PM)
Hi guys, need some advice here.

I just bought a new switch for my water heater. There are 2L2N and 1 symbol like wifi which I think it should be G (5 holes in total).

When I open the old switch, I realise that there are 2 black, 1 blue, 1 red and 2 green wires.

Should I just connect the 2 green wires to G?
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If by "Wifi symbol" you mean this:

|
-----
---
-

Thats not "wifi" symbol thats the symbol for Earth-Ground thumbsup.gif


Sounds like you have a DPST switch which is common for high current things like water heater. 1N and 1L should be on one side, and on the other side is another N and L correct?

The Green wires are earth and looped (which is correct) so yes you connect it to the Ground point in the switch.

Blue and Red are the live wires. Im guessing the Blue wire is the thicker one built into the wall? Connect that to the "point 1" of the switch, then connect red to the "point 2" of the switch. - MAKE SURE YOU TURN OFF MAIN POWER FIRST!

Then connect the black wires to the Neutral, following the same order so that the supply line and line to the water heater are not crossed.

If in doubt consult an electrician.
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