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Home » FAQs » how to Connect the flex to a lamp holder?
how to Connect the flex to a lamp holder?
2014-01-02 01:05:30

Replacing a lamp holder:

Cut off the power supply to the relevant circuit from the consumer unit.
Remove the shade, frame and light bulb.
Undo the lampholder cover and slide it up the flex to give you access to the screws connecting the cores to terminals in the socket.
Release the cores and remove the socket.
Feed the flex through the new socket.
Attach the cores to their terminals again: brown to live (L), blue to neutral (N) and green-and-yellow to earth (E).
Attach any grips securing the flex in place.

Push the cover back down the flex and screw it onto the lampholder.

1. Switch off the power at the consumer unit for the circuit concerned. If you have removable fuses at your consumer unit, switch off the power at the consumer unit and remove the fuse for this circuit. Or, in the case of a table lamp, switch off and remove the plug from the power supply.

2. Unscrew the fitting to expose the separate components. The construction of metal and plastic ones is a little different as you will notice from the pictures.

Feeding the lampholder cover onto the flex

3. Feed the top cover (and retaining pieces in the case of the metal fitting) over the flex and push them along out of the way.

 

4. Note the length required for the conductors to reach their terminals, then strip and prepare the flex. More detailed information can be found in our Stripping and Preparing Flex article.

5. Using a pair of side cutters, cut back the outer sheath of the flex accordingly and trim off the excess.

Flex conductors stripped and prepared

6. Separate the conductors and strip the insulation of each back by about 1/2". Twist together the separate filaments of each.

 
Connecting the flex live to the lampholder

7. Connect the brown (live) to one terminal and secure with the retaining screw.

 
Connecting the flex neutral to the lampholder

8. Connect the blue (neutral) to the other terminal and secure with the retaining screw.

 
Flex conductors retained by lugs

9. Make sure that both are fed round the supports which prevent strain on the connections.

 

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