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

Extracted from The Electricians Guide Fifth Edition
by John Whitfield

Published by EPA Press
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