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=== === You can add an on-off switch to the flex if you use a "torpedo" or similar shaped switch that has been designed to be used for this purpose. Here is how to install it into the flex: * unplug the light from the outlet! * open up the casing of the switch * where you want to insert the switch cut the outer cover of cable very carefully with a sharp knife * be careful not to nick any of the other wires * cut one of the wires - especially if there is a black wire, that is the one to cut * if there is no outer cover on the flex then just cut one of the two wires which make up the flex * only cut one wire, don't cut the other wire! Just leave it undisturbed. * on the cut wire strip back the insulation about 5mm on both sides of the cut * connect one side of the cut wire (from the plug) to one terminal of the switch * connect the other side of the cut wire (going to the light) to the other terminal of the switch * NEVER CONNECT ANY WHITE/NEUTRAL WIRE TO THE SWITCH TERMINALS! * Place the other, uncut, wire inside the casing of the switch, lying alongside the switch mechanism itself. If you also want to lengthen the cable then: * you'll need to wire up a plug with a new length of flexible cable containing a pair of BLACK and WHITE wires to plug into the outlet * cut off the existing plug supplied with the light from the end of its cable * wire the "hots" of both of the cables to the switch terminals as described above. * the white/neutral of the flex or cable coming from the new plug to must be joined to the white/neutral wire in the flex going to the light using a proper small connector for electrical wire - it must be small enough to fit safely into the switch casing alongside the switch mechanism without touching either of the switch terminals. (If you know how to use solder safely, you could solder the two neutral wires together.)

IF YOU ARE NOT ALREADY SURE YOU CAN DO THIS JOB

SAFELY AND COMPETENTLY

REFER THIS WORK TO QUALIFIED PROFESSIONALS.

If you do this work yourself, always turn off the powerat the breaker box/fuse panel BEFORE you attempt to do any work AND always use a meter or voltage indicator

to insure the circuit is, in fact, de-energized.

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15y ago
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11y ago

Install the switch in the wall outlet box you have installed. Now run a 12/2 or 14/2 wire from the switch to the light fixture in the ceiling. Run the exact same size wire that is already powering the light. Connect the ground wire coming from the light switch to the ground wires in the ceiling box. At the light in the ceiling cut the black wire powering the light. Cut only that wire. Now strip the 2 black wires back and connect the white wire coming from the wall switch to one of the black wires and the black wire coming from the wall switch to the other black wire. At the wall switch connect the ground wire to the ground screw on the single pole switch. Now connect the white and black wire to either screw. Does not matter which one. Now when you turn the switch off you are breaking the flow of electricity to the light. This is called a switch leg.

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Q: How do you put a switch into an existing lamp flex?
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