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Cable Wiring Colour Coding

I am installing an Underfloor heating System (Heat Mat) of 7mm cable.

The 3 core cables are black, blue and earth.

QUESTION

Is the Black cable live when connecting to the thermostat.

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Yes! The blue is the Neutral or MP. Black is the active wire.

Posted on Apr 16, 2009

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European color codes are black or brown for hot, blue for neutral, and green-yellow for earth or ground.

Posted on Dec 23, 2008

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Posted on Jan 02, 2017

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I need the wiring colour coding for the rear lights of a 2000 v40d as im fitting towbar electrics


Your post:
Hi There.
here are the 7 cable locations and pin numbers.
Pin 1 Yellow L/H Direction Indicator
Pin 2 Blue Rear Fog Lamps
Pin 3 White Earth Return
Pin 4 Green R/H Direction Indicator
Pin 5 Brown R/H Tail & No, Plate Light
Pin 6 Red Stop Lamps
Pin 7 Black L/H Tail & No, Plate Lights

I found the easiest way to locate the correct wires in the loom is to turn on the lights required and use a circuit tester and splice into the main loom where you have enough wire to play with. Try not to cut the loom as it only causes more problems with bad connections and joins.
Good Luck

Apr 07, 2011 | 2000 Volvo V40

2 Answers

We are having a neff oven U15M62NOGB fitted. The wires in the booklet are earth on the left, live in the middle and neutral on the right. Is this correct as the neutral and live are the other way round on...


Yes, the installation instructions are correct. The wiring from your old oven isn't relevant.

Your query is a little confusing though. The new oven should have a power cable attached to it for connection to the mains supply. This should be on a separate circuit from your sockets and connected to an isolator switch. The wires in the power cable are colour coded to ensure that they are correctly polarised when connecting to the mains supply. I'm assuming you're in the UK as you list a GB model number, therefore, it should have a BROWN wire for LIVE, BLUE for NEUTRAL and GREEN/YELLOW for EARTH.

If your house wiring uses the old red (live) and black (neutral) colour coding, then you just need to ensure that the brown (live) wire from the oven lead is connected where the red wire from the supply is terminated. The blue (neutral) wire should be connected where the black wire is terminated and the green/yellow (earth) wire should be connected where the green wire is terminated.

Internally, the oven probably uses red cable for live and black for neutal, but you really shouldn't need to be doing anything with the internal wiring to install the oven.

You say you are having it fitted. Any competent installer would know (or check) the correct wiring order even if the instructions were missing. If you are installing it yourself, be sure are certain you understand what to do before attempting this and double-check the power for the oven circuit is off before you start.

Please rate this solution if you find it helpful. Thanks.

Oct 16, 2010 | Neff B1421 Electric Single Oven

1 Answer

2001 vw golf 1.4 wiring details for towbar plug/socket.(colour coding)?


Left indicator - Yellow to Black/White
Right Indicator - Green to Black/Green
Left Tail - Black to Grey/Black
Right Tail - Brown to Grey/Red
Fog - Blue to Grey/White
Brake - Red to Black/Red
Earth - White to Brown or Body earth above/behind Left hand Light

Oct 02, 2009 | 2001 Volkswagen Golf

1 Answer

Wiring/connecting wire from fan to home ceiling


Hi,

this depends on where you live UK/USA et,c or other.
It is best to search the manufacturers site, to find installation codes/colours.
i.e USA use a lot Of Black and white. UK uses Red/Black Green/yellow.
And on houses that are rewired to 17th edition electrics ( UK ) the colours have now changed on mains twin and earth household Wiring. What Used to Be Red ( Live ) Is Now Brown. Black ( Nuetral ) Is now Blue. green/yellow is earth.

*** Important Note:- you should have several reds in a ceiling junction box or light fitting, these are circuit wires. ( Live From Light to next light ) The same as with Black ( Nuetral )
There will usually be 1 switch wire/Cable. this feeds a live from the switch, to the live power up to the light. many homes use a twin core and earth, from the light switch to the fitting. this may be black ( if a black/red ) has been used. *** Do not connect a black Switch wire with the remaining neutrals***
This will blow a fuse or trip a breaker.

Your solution:- connect the black neutral To the Black neutral cables ( more Than 1 at the ceiling Rose/fitting ) if there is a green/yellow or green ( this will be earth ) You may have 2 remaining Colours Possibly red and Blue or other. The Red Should be the switched Live. ( the single cable Red/Black with red tape around It ) This will be the switched Live. The remaining cable would probably be connected to the Bunch of Reds ( Constant Live ) As ceiling fans require a constant and switched live ( if the fan has lighting )

If in any doubt, consult a qualified or competant Electrician. *****And always remove or isolate the mains supply before attempting any installation*****. After the wiring is complete replace the fuse or switch on the breaker, to test your installation.

This information, is supplied by a fully competant electrician.

Thankyou for using fixya.

Mike @ Compurepair.


Jun 15, 2009 | Hampton Bay 24002 Ceiling Fan

1 Answer

Wiring problem


If they only way to fit your cable is by using the terminal push on connector (which, frankly, i'm not 100% sure what that's describing) and you can easily get that from your hardware store then yes, as long as you can connect up your wires without difficult and without stray copper.

Red wire is live, but white may be live as well during one aspect of operation. Usually neutral is black or blue. If your cable has red white and blue color in it then your using a 3 phase cable. A single phase 3 core cable will have red/brown black/blue green/greenyellow.

Hope this helps. Let me know.
John

May 09, 2009 | Kitchen Ranges

1 Answer

Fitting a towbar for a caravan with 13pin europlug


black socket, black 7 core wire
pin 1 yellow left indicator
pin 2 blue, rear fog light
pin 3 white earth
pin 4 green right indicator
pin 5 brown right side/tail light
pin 6 red brake lights
pin 7 black left side/tail light

Grey socket grey 7 core wiring
pin 1 yellow, reverse
pin 2 blue, supplementary feed (ignition)
pin 3 white, earth
pin 4 green live feed (battery +)
pin 5 brown not connected
pin 6 red supplementary feed (ignition)
Pin 7 black earth

On the discovery there is a purpose made plug behind the panel on the drivers side rear, behind the rear lamp
i think the relay you have bought is for lamp failure you just need a normal 4 pin 30 amp relay.
Good luck Davelee

Mar 19, 2009 | 1997 Land Rover Discovery

1 Answer

How to wire in a honeywell 9400c timer clock 4 ch


One of these wires is contains permanent live, neutral and earth. The other wil be heating on and hot water on, the earth on this wire will probably not be used.
you will have to trace the wiring back or test it!! Be carefull!!

Dec 11, 2008 | Heating & Cooling

2 Answers

Pull cord switch


If it is a 1 way switch circuit (2core +earth cable) it should be LIVE/HOT in COM and Aux live (to the light) in L1 . I

f you have a 2 way circuit (3 core + earth cable) the aux strappers go in L1 & L2. and LIVE/HOT to COM

Remember to disconnect the power before working on electric wiring.


Please remember to rate this solution.

Oct 15, 2008 | Electrical Supplies

1 Answer

Power connection for L365 Fish finder


Fuses and Breakers
Attach the red or positive wire to a 5 amp circuit breaker. If the unit is connected directly to the boat’s battery, include a 2 amp in-line fuse. (In-line fuses are available at most marine supply stores.) The power cable includes a smaller "shield" wire. Connect this to a good ground.

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Extending the Power Cable
If you need to extend the power wiring by more than 10 feet, use a larger wire size. This will allow the wires to deliver the correct voltage in spite of the longer wire distance. For runs of 20 to 35 feet, use #14 AWG cable. If you extend the power wiring, be sure all electrical connections are solid and durable. Soldering is the best way to make these connections. Insulate all connections using heat-shrink tubing or electrical tape. You may also use crimp connectors or a terminal strip, but be sure to use good-quality marine-grade parts.

Apr 15, 2008 | Computers & Internet

1 Answer

Wiring diagram


In the UK, to connect to the connection block of a fixed integrated oven in a Kitchen, you must be a Part P Registered electrician. Such an electrician will issue a Minor Works Certificate for this work on completion - otherwise they are not Registered!

Be aware that if the work is not done under Part P and a fire occurs, etc your insurance company are entitled to REFUSE to pay out for the damage including any consequential damage to neighbours property or for loss of life!!

The block has three terminals and the Live, Neutral and Earth are indicated by marks stamped on the metal back of the cooker (if a CE product).

L = Live and takes the Brown covered wire
N = Neutral and takes the Blue covered wire
52080c4.gifor E = Earth (CPC) and takes the green/yellow covered.

If the cable has an uncovered copper third wire or is coloured Red/Black it should be replaced from the connection accessory on the wall behind the cooker with a heat resistant 3-core Butyl cable of sufficient size to cope with the load of the oven.

If you let me know the rating of the oven (label on door) in amps or watts, I'll tell you what size of cable you need.

Apr 13, 2008 | Hotpoint RB526 Electric Kitchen Range

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