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Requirements for an electrical design & the EIC form signature

Former Community Member
Former Community Member

 

I’ve read the interesting post at Who is the electrical installation designer? - IET Engineering Communities (theiet.org) on “Who is the electrical installation designer?” but my thought is somewhat different else I would have tagged onto that thread.

I’ve also read the posts at  Electrical Design Courses & Regulations Recommendations (London, UK) - IET Engineering Communities (theiet.org) regarding the training and competence needed for electrical design and having been involved in electrical works for a considerable period am familiar with the significance of this role. Indeed, when I ask for new works of a small size direct to an electrical contractor I always ensure that the wording of taking on board design liability is included, this such that they are clear and can also charge for that work and its responsibility.  Larger works may be by an electrical designer such as a consultant.

Considering that the EIC has an entry for design where it states:

FOR DESIGN

I/We being the person(s) responsible for the design of the electrical installation (as indicated by my/our signatures below), particulars of which are described above, having exercised reasonable skill and care when carrying out the design and additionally where this certificate applies to an add1t1on or alteration, the safety of the existing installation is not impaired, hereby CERTIFY that the design work for which I/we have been responsible is to the best of my/our knowledge and belief in accordance with BS 7671 :2018, amended to ….. except for the departures, if any, detailed .as follows:  

What extent of information do readers consider to constitute an electrical design ?   Much of my reference information is in my office and I’ve not been there for 18 months so I thought I’d ask others what they considered to be the minimum information as to what comprises an electrical design for an installation has rather than trawl through other sources.  I thought it would be an interesting discussion point as well.

Paul.  

Parents
  • Thanks Lyle, reminding me that I should have looked in the Regulations first.  For reference that section indicates:

    132 DESIGN

    132.1 General

    The electrical installation shall be designed by one or more skilled persons to provide for:

    (i) the protection of persons, livestock and property in accordance with Section 131

    (ii) the proper functioning of the electrical installation for the intended use.

     

    The information required as a basis for design is stated in Regulations 132.2 to 5.

    The requirements with which the design shall comply are stated in Regulations 132.6 to 16.

     

    The titles of those requirement regulation paragraphs are:

    132.6 Cross-sectional area of conductors

    132.7 Type of wiring and method of installation

    132.8 Protective equipment

    132.9 Emergency control

    132.10 Disconnecting devices

    132.11 Prevention of mutual detrimental influence

    132.12 Accessibility of electrical equipment

    132.13 Documentation for the electrical installation

    132.14 Protective devices and switches

    132.15 Isolation and switching

    132.16 Additions and alterations to an installation

     

    There's obviously detail to each of those paragraph sections in the Regulations themselves.

    Paul

Reply
  • Thanks Lyle, reminding me that I should have looked in the Regulations first.  For reference that section indicates:

    132 DESIGN

    132.1 General

    The electrical installation shall be designed by one or more skilled persons to provide for:

    (i) the protection of persons, livestock and property in accordance with Section 131

    (ii) the proper functioning of the electrical installation for the intended use.

     

    The information required as a basis for design is stated in Regulations 132.2 to 5.

    The requirements with which the design shall comply are stated in Regulations 132.6 to 16.

     

    The titles of those requirement regulation paragraphs are:

    132.6 Cross-sectional area of conductors

    132.7 Type of wiring and method of installation

    132.8 Protective equipment

    132.9 Emergency control

    132.10 Disconnecting devices

    132.11 Prevention of mutual detrimental influence

    132.12 Accessibility of electrical equipment

    132.13 Documentation for the electrical installation

    132.14 Protective devices and switches

    132.15 Isolation and switching

    132.16 Additions and alterations to an installation

     

    There's obviously detail to each of those paragraph sections in the Regulations themselves.

    Paul

Children
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