DEI - Domestic Electrical Installer (2020)

DEI - Domestic Electrical Installer (2020)

  • Course overview

    Enexperienced  candidates will undergo a 3 day practical session prior to carrying out the Domestic Electrical Installer (DEI) Training & Assessments. The 3 day practical session is recommended for candidates have who have no previous formal training in domestic wiring. Candidates will carry out simulations in training bays with a fully qualified trainer and gain the confidence in physical wiring activities from the consumer unit to sockets, lighting, fire alarm, boilers etc. found around the average home. The DEI course covers all areas that have been updated or changed since the introduction of the BS7671:2018 the 18th Edition Wiring Regulations.



  • Entry Requirements

    The DEI is suitable for operatives who carry out electrical work as a secondary task i.e. heating installers, bathroom and kitchen fitter’s, builders and domestic appliance fitters / installers

    The Domestic Electrical Installer (DEI2020) Training and Assessment package covers electrical work as outlined in the Building Regulation and complies with BS7671:2018 and amendment 1:2020.

    This course is designed for persons/installers working within the electrical or related industries it is not designed to take a non-qualified / non-related person and is not designed to make them into electricians

    NB: From 1st September 2021 the qualification entry requirements for companies or businesses wishing to join a Part P Competent Person Scheme (CPS) as a “Qualified Supervisor” will be changing. The relevant change is for the designated qualifying supervisor (QS). In a larger organisation, the QS will be responsible for the competence and work of all installers carrying out electrical installations. Sole traders are both the QS and installer.

    The Qualified Supervisor must hold as minimum LCL Awards Level 3 Certificate in Installing, Testing and Ensuring Compliance of Electrical Installation Work in Dwellings

    For larger businesses, the DEI qualification can still be used for operatives who are under the direction of the qualifying supervisor. Sole traders must comply with the qualification entry requirement detailed above.

    Further information can be found in the scheme document from IET who are responsible for the CPS requirements.

    A full list of Competent Person Schemes can be found at website


  • Do I need this course?

    The Domestic Electrical Installer (DEI) Training and Assessment package covers electrical work as outlined in the Part P Building Regulation and complies with BS7671:2018.

    NB: This course is designed for persons working within the electrical or related industries it is not designed to take a nonqualified/ non-related person and make them into electricians. The Competency is recommended for those who regularly undertake work in domestic properties (which may be notifiable). Building Regulations (Northern Ireland) 2012 Technical

    Booklet B 2.7 states "Accreditation of a certification body by a national accreditation body belonging to the European cooperation for Accreditation (EA) provides a means of demonstrating that their certification scheme can be relied upon.


  • Course content/Syllabus

    Be trained and assessed in the following areas:

    • Component exchange
    • Applicable building regulations
    • Electrical safety legislation regulations, standards and terminology
    • Pre-work survey / inspections
    • Safe isolation procedures
    • Identification of unsafe electrical situations
    • Earthing and bonding requirements
    • Electrical test procedures
    • Cable components and fitting selection
    • Installation and replacement of electrical components and fittings
    • Checking the correct and safe operation of installed electrical components
    • Recording of electrical test results, completion of certification and notification requirements
    • Installing and or re-routing cables to form suitable outlet connections
    • Special locations
    • High protective conductors
    • Domestic lighting circuits, SELV
    • Maintaining domestic electrical installations
    • 3 Phase supplies
  • Need extra time to revise?

    Please Note: Your exam will take place at the end of the course. However, if you feel you require additional study time, you may choose to come back at the end of the next course (Please inform your class tutor if you wish to delay your exam time until the end of the next available course) for more information refer to our website Terms & Conditions of Service

  • Reading Material/Test book Required?

    We do provide books for Centre study only. We do however recommend the purchase  of the following textbook:-Requirements for Electrical installation IET wiring regulations 18th Edition  of BS7671(Blue Book) . We also recommend purchasing other electrical training aids such as the On Site Guide. This can be purchased directly from us with 2-3 days’ notice or cheaper online.

Electrical Training Video