Frequency of Testing - Electrical Safety Testing

Periodic Test and Inspection – Suggested Frequency

General Installation

Domestic Change Of Occupancy/10 yrs
Commercial 5 yrs
Educational Establishments 5 yrs
Hospitals 5 yrs
Industrial 3 yrs
Residential Accommodation 5 yrs
Offices 5 yrs
Shops 5 yrs
Laboratories 5 yrs

 

Buildings Open To The Public

Cinemas 1-3 yrs
Church Installations 5 yrs
Leisure Complexes (Excluding Swimming pools) 3 yrs
Places of Public Entertainment 3 yrs
Restaurants and Hotels 5 yrs
Theatres 3 yrs
Public Houses 5 yrs
Village Halls/Community Centres 5 yrs

 

Special Installations

Agriculture and Horticulture 3 yrs
Caravans 3 yrs
Caravan Parks 1 yr
Highway Power Supplies 6 yrs
Marinas 1 yr
Fish Farms 1 yr
Swimming Pools 1 yr
Emergency Lighting 3 yrs
Fire Alarms 1 yr
Laundrettes 1 yr
Petrol Filling Stations 1 yr
Construction Installations 3 mnths

 

P.A.T Testing – Suggested Frequency

 

Class I Class II
Type of Premises Type of Equipment (Note 1) User Check Formal Visual Inspection Combined Inspection & Test Formal Visual Inspection Combined Inspection & Test
1 Constructions Sites 110v equipment Stationary 

IT

Movable

Portable

Handheld

None 

None

Weekly

Weekly

Weekly

1 mnth 

1 mnth

1 mnth

1 mnth

1 mnth

3 mnths 

3 mnths

3 mnths

3 mnths

3 mnths

1 mnth 

1 mnth

1 mnth

1 mnth

1 mnth

3 mnths 

3 mnths

3 mnths

3 mnths

3 mnths

2 Industrial including commercial kitchens Stationary 

IT

Movable

Portable

Handheld

Weeky 

Weekly

Weekly

Before Use

Before Use

None 

None

1 mnth

1 mnth

1 mnth

12 mnths 

12 mnths

12 mnths

6 mnths

6 mnths

None 

None

3 mnths

3 mnths

3 mnths

12 mnths 

12 mnths

12 mnths

6 mnths

6 mnths

3 Equipment used by the public Stationary 

IT

Movable

Portable

Handheld

Before Use 

Before Use

Before Use

Before Use

Before Use

Monthly 

Monthly

Weekly

Weekly

Weekly

12 mnths 

12 mnths

6 mnths

6 mnths

6 mnths

3 mnths 

3 mnths

Monthly

Monthly

Monthly

12 mnths 

12 mnths

12 mnths

12 mnths

12 mnths

4 Schools Stationary 

IT

Movable

Portable

Handheld

Weekly 

Weekly

Weekly

Before Use

Before Use

None 

None

4 mnths

4 mnths

4 mnths

12 mnths 

12 mnths

12 mnths

12 mnths

12 mnths

12 mnths 

12 mnths

4 mnths

4 mnths

4 mnths

48 mnths 

48 mnths

48 mnths

48 mnths

48 mnths

5 Hotels Stationary 

IT

Movable

Portable

Handheld

None 

None

Weekly

Weekly

Weekly

24 mnths 

24 mnths

12 mnths

12 mnths

6 mnths

48 mnths 

48 mnths

24 mnths

24 mnths

12 mnths

24 mnths 

24 mnths

24 mnths

24 mnths

6 mnths

None 

None

None

None

None

6 Offices and Shops Stationary 

IT

Movable

Portable

Handheld

None 

None

Weekly

Weekly

Before Use

24 mnths 

24 mnths

12 mnths

12 mnths

6 mnths

48 mnths 

48 mnths

24 mnths

24 mnths

12 mnths

24 mnths 

24 mnths

24 mnths

24 mnths

6 mnths

None 

None

None

None

None

 

 

 

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