Posts tagged ceiling rose

So why is it called a ceiling rose?

Jul13
2012 Written by admin

The rose has symbolised secrecy since Roman times (apparently due to a confused association with the Egyptian god Horus)

Sub Rosa (latin) “under the rose” – in confidence – from the practice in diplomacy during the Middle Ages of hanging a rose over a meeting as a sign of confidentiality and freedom to speak candidly.

Through its promise of secrecy, the rose, suspended above a meeting table, symbolises the freedom to speak plainly without repurcussion. The physical carving of a rose on a ceiling was used for this purpose during the rule of England’s Tudor King Henry VIII and has over the centuries evolved into a standard item of domestic vernacular architecture, to such an extent that it now constitutes a term for the circular device that conceals and comprises the wiring box for an overhead light fitting.

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Two way light switching

May26
2011 Written by admin

By popular demand – have added wiring diagrams for a ceiling rose with two way switching. If you need to know how to wire a ceiling rose with two way switching, check out the links below:

Two way switching – new cable colours

Two way switching – old cable colours

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Ceiling rose wiring with two way switching (older cable colours)

May24
2011 Written by admin

Assuming your two way switch wiring uses the ‘old’ core cable colours i.e Red (live), Black (neutral) and Green/Yellow (earth) for cables A, B & C then Fig.1 shows the most common way your ceiling rose will be connected in a 2 way lighting circuit.

Click Here – If the cables A, B & C in your house have Brown (live), Blue (neutral) and Green/Yellow (earth) cores.

Ceiling rose wiring with two wat switching using the older cable colours

Fig.1 – Click to enlarge

Cable A and Cable B are the live, neutral and earth loop to each of the lights in the circuit, (Cable A feeds in the live supply from the previous light in the circuit and cable B loops out to supply the next light in the circuit) these cables remain ‘live’ even if the light switch is off, this is why you should ALWAYS make sure the circuit is isolated before you start work.

Cable C is a twin Red and Earth which is connected to the first light-switch.
Cable D – Tree core and Earth connecting the two two way light switches.
1 and 8 – the live and neutral conductors that connect to the ceiling rose lamp holder.
2 – the return live (switch-wire) from the light-switch.
3 – the live feed to the light-switch.
4 and 5 – both permenantly live conductors.
6 and 7 – both neutral conductors.
9 – the common earth terminal where the Earth conductors from each cable are terminated, the Earth cables must be connected to the terminal (these Earth wires may be bare copper in which case you should sheath them with Green/Yellow sleeving). You should also make sure the earth at the light-switch end is connected to the Earth terminal of the metal back box and/or metal light-switch if used.

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Ceiling rose wiring with two way switching (new colours)

May24
2011 Written by admin

Assuming your two way switch wiring uses the ‘new’ core cable colours i.e Brown (live), Blue (neutral) and Green/Yellow (earth) for cables A, B & C then Fig.1 shows the most common way your ceiling rose will be connected.

Click Here – If the cables A, B & C in your house have Red (live), Black (neutral) and Green/Yellow (earth) cores.

Ceiling rose wiring diagram - two way switching new colours

Fig.1 – Click to enlarge

 

Cable A and Cable B are the live, neutral and earth loop to each of the lights in the circuit, (Cable A feeds in the live supply from the previous light in the circuit and cable B loops out to supply the next light in the circuit) these cables remain ‘live’ even if the light switch is off, this is why you should ALWAYS make sure the circuit is isolated before you start work.

Cable C is a twin Brown and Earth which is connected to the first light-switch.
Cable D – Tree core and Earth connecting the two two way light switches.
1 and 8 – the live and neutral conductors that connect to the ceiling rose lamp holder.
2 – the return live (switch-wire) from the light-switch.
3 – the live feed to the light-switch.
4 and 5 – both permenantly live conductors.
6 and 7 – both neutral conductors.
9 – the common earth terminal where the Earth conductors from each cable are terminated, the Earth cables must be connected to the terminal (these Earth wires may be bare copper in which case you should sheath them with Green/Yellow sleeving). You should also make sure the earth at the light-switch end is connected to the Earth terminal of the metal back box and/or metal light-switch if used.

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Ceiling rose wiring (new cable colours)

May20
2011 Written by admin

Assuming your wiring uses the ‘new’ core cable colours i.e Brown (live), Blue (neutral) and Green/Yellow (earth) then Fig.1 shows the most common way your ceiling rose will be connected.

Click Here – If the cables in your house have Red (live), Black (neutral) and Green/Yellow (earth) cores.

Ceiling rose wiring diagram new cable colours

Cable A and Cable B are the live, neutral and earth loop to each of the lights in the circuit, (Cable A feeds in the live supply from the previous light in the circuit and cable B loops out to supply the next light in the circuit) these cables remain ‘live’ even if the light switch is off, this is why you should ALWAYS make sure the circuit is isolated before you start work.

Cable C is a twin Brown and earth which is connected to the light-switch.
1 and 8 – the live and neutral conductors that connect to the ceiling rose lamp holder.
2 – the return live (switch-wire) from the light-switch.
3 – the live feed to the light-switch.
4 and 5 – both permenantly live conductors.
6 and 7 – both neutral conductors.
9 – the common earth terminal where the Earth conductors from each cable are terminated, the Earth cables must be connected to the terminal (these Earth wires may be bare copper in which case you should sheath them with Green/Yellow sleeving). You should also make sure the earth at the light-switch end is connected to the Earth terminal of the metal back box and/or metal light-switch if used.

Below are some variations on how your ceiling rose may be connected

If the number of Brown & Blue wires doesn’t quite tally-up with that shown above, one of the following will be the case.

Fig 2 shows a common deviation from that shown in Fig. 1 here the electrician has used twin and earth for cable C (Brown and Blue) instead of twin Brown and Earth as the switch wire, the Blue conductor should really be sheathed with Brown sleeving to show it is a live conductor, if it is not, before attempting to replace the ceiling rose you should mark this conductor with either Brown sleeving or insulating tape to avoid problems when reconnecting the ceiling rose.

 

 

Fig 3 shows the last ceiling rose on a circuit and therefore there is only two cables present, cable A is the live, neutral and earth supply, cable C is the twin Brown and Earth to the switch.

If the cables in your ceiling rose are Red and Black and not Brown and Blue as shown above then see the alternative wiring diagrams.

 

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Ceiling rose wiring (older cable colours)

May19
2011 Written by admin

Assuming your wiring uses the ‘old’ core cable colours i.e Red (live), Black (neutral) and Green/Yellow (earth) then Fig.1 shows the most common way your ceiling rose will be connected.

Click Here – If the cables in your house have Brown (live), Blue (neutral) and Green/Yellow (earth) cores.

Ceiling rose wiring - old black and red cable colouring using twin red and earth for the switch wire

Fig.1 – click to enlarge

Cable A and Cable B are the live, neutral and earth loop to each of the lights in the circuit, (Cable A feeds in the live supply from the previous light in the circuit and cable B loops out to supply the next light in the circuit) these cables remain ‘live’ even if the light switch is off, this is why you should ALWAYS make sure the circuit is isolated before you start work.

Cable C is a twin Red and Earth which is connected to the light-switch.
1 and 8 – the live and neutral conductors that connect to the ceiling rose lamp holder.
2 – the return live (switch-wire) from the light-switch.
3 – the live feed to the light-switch.
4 and 5 – both permenantly live conductors.
6 and 7 – both neutral conductors.
9 – the common earth terminal where the Earth conductors from each cable are terminated, the Earth cables must be connected to the terminal (these Earth wires may be bare copper in which case you should sheath them with Green/Yellow sleeving). You should also make sure the earth at the light-switch end is connected to the Earth terminal of the metal back box and/or metal light-switch if used.

Below are some variations on how your ceiling rose may be connected

If the number of red & Black wires doesn’t quite tally-up with that shown above, one of the following will be the case.

Fig.2 – Click to enlarge

Fig 2 – shows a common deviation from that shown in Fig. 1 here the electrician has used twin and earth for cable C (Red and Black) instead of twin Red and Earth as the switch wire, the Black conductor should really be sheathed with Red sleeving to show it is a live conductor, if it is not, before attempting to replace the ceiling rose you should mark this conductor with either Red sleeving or insulating tape to avoid problems when reconnecting the ceiling rose.

Ceiling rose wiring diagram showing 'end of circuit' - old red and black cable colours used with twin red and earth cable for the switch wire

Fig.3 – Click to enlarge

Fig 3 – shows the last ceiling rose on a circuit and therefore there is only two cables present, cable A is the live, neutral and earth supply, cable C is the twin Red and Earth to the switch.

If the cables in your ceiling rose are Brown and Blue and not Red and Black as shown above then see the alternative wiring diagrams.

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