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I want to add a light in my room which is apart of the upstairs lighting circuit. The only problem that I have is that all the terminals within the celling roses in the upstairs lighting circuit are being used. I was just wondering if I can still use these celling roses and just connect my new cable into the used terminals of the celling roses or will I have to look for an alternative way.

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The problem is that you need to understand that the red and black wires may not be power and return. The main red line is broken at a point and a new cable run to the light ( red + black) or (blue+ brown) this is merely the switch circuit fore that light. So if you mistake the two points it may be that what you have is red+red to your globe. ( Is that clear?) you would need to find the common black + the red to take power to the Red+black to your new ceiling rose, but breaking the now new red wire somewhere and joining in a new red_+ black that goes down to the switch

Use a power checking device as sometimes in some roses where multiple circuitsw feed fom Black and Black can be live
Please rate my help++++Thanks for using FIXYA

Posted on May 29, 2010


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How i can do the instalation

1) Need more information.
Heres some help to get you started, then you add a comment and fill in details so I can give accurate answer.

2) You posted under Paragon 7008-00 timer.

3) People post under Paragon when they have Tork, so I need exact model number and what voltage you have and what Load you are trying to wire.

4) Also what terminals appear on timer, since any timer can be in a box that is marked 7008.
Then add what color wires you have coming from breaker box, what size breaker, and if same breaker is going to supply voltage to timer and to Load, and what color wires are going to Load.

5) Open following link to identify timer for sure, and see manual and wiring diagrams.

6) Typical wiring diagram for 7008 showing one set of NO NC terminals:

7) 7008 timer has 120Volt clock motor. So power to terminals A and B has to be 120V.
But timer can still control 120V or 240V loads.

8) According to manual, 7008 timer has 2 NO (normally open) terminals that are OFF when timer is OFF
Timer also has 2 NC (normally closed) terminals that are ON when timer is OFF

9) Both sets of terminals reverse when timer turns ON.

10) NO and NC terminals are frequently used for continuous-operation 2-speed motors, for example.
You do not want power to both speeds at same time, or motor will burn out. So low speed is connected to NO terminal, and high speed is connected to NC terminal. This way the motors windings are kept separate, and either low speed is ON or high speed is ON.

11) Another example of NO NC terminals could be store lighting. When store closes, the timer turns off exit signs and store-room lights inside store, and at same moment timer turns on burglar alarm and outdoor lights. In this example the timer controlled 4 different circuits: exit signs, store-room, alarm, and outdoor lights. With 2-NO and 2-NC terminals, that is possible.

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