Domestic Electrical Installer (DEI)

Domestic Electrical Installer (DEI)


£725 + VAT


The Domestic Electrical Installer (DEI)  qualification allows learners to demonstrate that they have up to date knowledge of latest IEE wiring regulations.

The qualification may be required as a prerequisite to other electrical courses and when joining some Competent Persons Schemes.


When coupled with the 17th Edition (BS7671) course, this course enables engineers to certify their own works by qualifying them to issue minor works certificates. It provides a greater understanding for gas engineers and plumbers, allowing a broader scope of work to offer customers.

There are no formal requirements to undertake the course however learners should have a working knowledge of practical and theoretical electrics.


Learners will cover modules from the 17th Edition Wiring Regulations as well as the following:

  • Legislation & Standards
  • Definitions and Basic Principles
  • Design Specification & Cable Installation
  • Mains Position
  • Earthing & Bonding
  • Safety Devices
  • Safe Isolation and Working Practice
  • Power & Lighting Circuits
  • Inspection, Testing and Certification (both Minor Works Certificates and Electrical Installation Certificates)


Classroom based training and home study followed by in centre assessment

Learning Materials

Learners will be provided with:
IET Wiring Regulations ISBN 978-1849197694
IET On-site Guide


Unit J Buttericks Building
New Lane Havant
Hampshire, PO9 2ND


Training – 4 days
Assessment – 1 dayWe also offer this course in the evenings

Training – 10 Evenings

What’s next

This course provides a strong basis to move into courses such as:

  • 17th Edition
  • Initial and Periodic Inspection and Testing



Course Locations

Unit J Buttericks Building
New Lane Havant
Hampshire, PO9 2ND

Contact Us

Phone: 02392 176 519
Unit J Buttericks Building
New Lane, Havant, Portsmouth, Hampshire, PO9 2ND gas-safe