ELECTRIC.IE • The Magazine & Website for the Irish Electrical Industry • 55 Volume 1 Volume 1 covers three types of dwelling, Visitable M4(1), Accessible and Adaptable M4(2) and Wheelchair user M4(3). M4 (1) is the mandatory minimum, M4(2) is an optional requirement where a new dwelling is designed to be acceptable and adaptable such retirement homes and M4(3) is also optional but needs to be met if the dwelling is designed for wheelchair users. The primary requirements relating to the electrical installation in Volume 1 of Part M and relates to the location and type of any wiring accessories or consumer units in all three dwellings. Locations are de ned and shown in gure 1. What is Part M of the Building Regulations? Experts from Crabtree offer guidance for using electrical wiring accessories in line with the requirements of Part M of the building regulations. Part M of the Building Regulations relates to the accessibility and usability of buildings, ensuring that they are designed and constructed in a way that allows all individuals, including those with disabilities, to access and use them independently. The regulation is split into two, Volume 1 which relates to dwellings and Volume 2 which covers buildings other than dwellings. IndIunsdtur ystNr yeNwesws Figure 1 When complying to M4(3) light switches are to have individual plates unless they are wide rocker switches or full plate accessories. Where twin socket-outlets are installed, their switches should be on the outside of the accessory. Figure 2 Continued on next page >>>
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