16th Edition (reference only) – NOW superseded by the 17th Edition IEE Regulations.
Table 8.4 - Suggested intervals between
------------- periodic tests and inspections
Type of installation Maximum period between inspections
Domestic premises 10 years
Commercial premises 5 years
Educational establishments 5 years
Hospitals 5 years
Industrial premises 3 years
Cinemas 1 year*
Churches 5 years
Leisure complexes 1 year
Places of public entertainment 1 year
Theatres, etc. 1 year*
Agricultural and horticultural 3 years
Caravans 3 years
Caravan sites 1 year*
Emergency lighting 3 years
Fire alarm systems 1 year
Launderettes 1 year*
Petrol filling stations 1 year*
Public Houses 5 years
Marinas 1 Year
Highway power supplies 6 years
Temporary installation 3 months
Where maximum periods are marked *
there is a legal requirement for retests at these intervals

Return to top of page

Extracted from The Electricians Guide Fifth Edition
by John Whitfield

Published by EPA Press Click Here to order your Copy.

Click here for list of abbreviations