Recommended Initial Frequencies of Inspection of Electrical Installations-

Type of Installation               Max. Fixed Frequencies

Domestic-                                Change Occupancy/10 years

Commercial-                           Change Occupancy/5 years           

Industrial-                                3 years

Educational-                            5 years

Hospitals-                                5 years

Offices/Shops-                       5 years                                 

Laboratories-                         5 years

Buildings Open to the Public

Cinemas/Theatres-                   3 years

Churches-                                   5 years 

Leisure Complex-                                                                                                  (excluding swimming pool)    3 years

Pub/Restaurant/Hotels-           5 years

Public Entertainment-              3 years

Village Hall/Community-          5 years

Special installations

Agricultural-                                3 years

Caravans-                                    3 years

Caravan Parks-                           1 year

Swimming Pools-                       1 year

Marinas-                                        1 year

Petrol Stations-                           1 year

Construction Sites-                     3 months

Emergency Lighting-                  3 years

Fire Alarms-                                  1 year

Age of installation,type of premises,enviromental conditions,normal life expectancy,level of misuse,change of useage and the extent of wear and tear will all be factors that may change the test frequency periods by engineering judgement.