Consumer unit Installations
It is clear that domestic installations conforming to the 17th Edition of the Wiring Regulations are likely to require increased use of RCD
(Residual Current Devices) and careful consideration from designers and installers is required to meet the requirements of the regulations.
Since 2005 the Building regulations for England and Wales has made direct reference to Electrical Installations, increasing the inﬂuence on how Electrical Equipment is installed in buildings.Building Regulations Part P of the building regulations relates to the electrical safety in dwellings. The approved document prescribes that consumer units should be located so that they are easily reachable where this is necessary to comply with Part M of the building Regulations.Part M requires that reasonable provision be made for people to gain access to a building and use its facilities. The approved document prescribes that switches, socket outlets and “other equipment” needs to be at appropriate heights, these are deﬁned as between 0.45m and 1.2m from ﬁnished ﬂoor level. Other equipment includes the consumer unit, as it contains devices such as MCB’s and RCD’s that may need operation or resetting by the user of the dwelling. The consumer unit should therefore be accessible, with the devices mounted at a height no greater the 1.2m above the ﬂoor. In addition the consumer unit should not be in a location that would make it difﬁcult to access such as an under stairs cupboard. Neither should it be placed in a position where is likely to be damaged by impact. Therefore depending on the layout of the dwelling a ﬂush consumer unit may be considered. Consumer Units should be easily reachable and be mounted with the switches at a height of between
0.45m & 1.2m above ﬂoor level
Consumer Units should be easily reachable and be mounted with the switches at a height of between 0.45m & 1.2m above ﬂoor level
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