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Electrical Installation Testing chart

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Type of Installation Max inspection period R - Recommended
M - Mandatory
Domestic 10 years R
Commercial 5 years R
Education Establishments 5 years R
Hospitals 5 years R
Industrial 3 years R
Petrol Stations 1 year M
Buildings open to the Public    
Cinemas 1 year M
Churches under 5 years old 1 year R
Churches over 5 years old 2 years R
Leisure complexes 1 year R
Places of public entertainment 1 year R
Restaurants and Hotels 1 year R
Theatres, etc. 1 year M
External Installations    
Agricultural & Horticultural 3 years R
Caravans & Caravan Sites 1 year M
Highway power supplies 1 year R
Special Installations    
Emergency Lighting 3 years R
Fire alarms 1 year R
Launderettes 1 year M
Petrol filling stations 3 years M
Temporary installations 3 months R
N.B.after testing the above installations the competent person may determine the maximum period between inspections should be less than those stated.
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