Pattress
The term ‘pattress’ refers to a container or box that is positioned behind power sockets, light switches and other electrical fittings, and contains the wiring, switches and other circuitry. It can also be referred to as a ‘wall box’ or 'installation box' or, when it is recessed into the wall, a ‘flush box’. If it is installed within timber or plasterboard walls, it can be referred to as a ‘cavity box’,‘plasterboard box’, or 'dry lining box'.
A pattress can be designed to be either surface-mounted, or can be recessed into a wall or skirting board.
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| Surface mounted pattress | Pattress to be recessed |
Pattresses are typically made of metal or plastic. PVC or urea-formaldehyde resin is often used for surface-mounted boxes, while thin galvanised metal is used for recessed boxes.
The generally have 'knockout' sections that can be knocked out as required to allow cables into the box.
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