Pic 6. Snap-fit outer cover plate. This lies nice and flush to the drywall with no screws visible, and again must be removed with a tool [screwdriver and hammer!]
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Pic 7. Plastic drywall boxes. Single, double or treble gang. Complete with all fix screws and cam plates.
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Pic 8. Steel Plates, in single, double or treble gang sizes.
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Pic 9. Snap-on covers in 3 horizontal sizes. A 'vertical' type plate is also available in the double-gang size, requiring a special Steel Plate to match.
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Pic 10. Module receptacles. Only one module type is required- it's 230vac 16A, and these snap into the Steel Plates in the number required for the gang. Note the other modules available; a tv ariel coax-socket and a France Telecom standard phone outlet. A satelite tv screw-in type coax is also available.
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Pic 11. Module opens for the wiring access. 3 screws operate 'jaw mechanisms' to grip wire. The white plastic shell snaps-on to cover the wiring.
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Pic 12. Close-up of the wire entry ports. 2 x 2.5mm2 wires can be fitted into each port in tandem. Erth/ground is center.
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Note that all the above units [beyond 1st fix] were fitted for the photo shoot, and will be removed for taping up and board finishing. Unlike most drywall finishing, we will be putting complete coats of finish plaster over the whole wall and ceiling surfaces about 1/8" thick rather than sanding, followed by acrylic paint coats. Just happens I have a Brit plasterer living in my commune.
Thanks Alan!