Code of Practice for the Electricity (Wiring) Regulations - 2009 Edition

prevent electric shock to electrical workers, as the REPS can still be
energised even when the REPS is isolated from the a.c. side.
26Q Temporary Electrical Installation for Exhibitions,
Shows, Stands and Festive Lighting
(1) Scope
The particular requirements of this Code should apply to temporary
electrical installation including those used for exhibitions, shows, stands,
etc. and festive lighting.
(2) General
(a) Every temporary electrical installation should comply with the
requirement of the Wiring Regulations.
(b) The external influence conditions of the particular location where the
temporary electrical installation is erected, e.g. the presence of water
or mechanical stresses, should be taken into account.
(3) Design consideration
(a) Selection and erection of installation
(i) Control and protective gear switchgear should be placed in
closed cabinets which can only be opened by the use of a key
or a tool, except for those parts designed and intended to be
operated by ordinary persons.
(ii) Armoured cables or cables protected against mechanical
damage should be used whenever there is a risk of mechanical
damage.
(iii) Wiring cables should be copper and have a minimum crosssectional
area of 1.5 mm2 , and should comply with an
appropriate recognised standard for either thermoplastic or
thermosetting insulated electric cables.
(iv) Flexible cords should not be laid in areas accessible to the public
unless they are protected against mechanical damage.
(v) An adequate number of socket outlets should be installed to
allow user requirements to be met safely. Where a floormounted
socket outlet is installed, it should be adequately
protected from the accidental ingress of water.
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