IEE Guidelines

The IEE (Institute of Electrical Engineers) have laid down a guideline for frequency of testing of electrical equipment.

This can be found in the IEE Code of Practice for In-Service Inspection and Testing of Electrical Equipment. A summary of the suggested frequencies can be downloaded here.

Type of Premises Type of Equipment Class 1 Class 2 (see note 2)
Construction Sites
110v Equipment
S
IT
M
P
H
3 Months
3 Months
3 Months
3 Months
3 Months
3 Months
3 Months
3 Months
3 Months
3 Months
Industrial Including
Commercial Kitchens
S
IT
M
P
H
12 Months
12 Months
12 Months
6 Months
6 Months
12 Months
12 Months
12 Months
6 Months
6 Months
Equipment Used by
The Public
S
IT
M
P
H
12 Months
12 Months
6 Months
6 Months
6 Months
12 Months
12 Months
12 Months
12 Months
12 Months
Schools S
IT
M
P
H
12 Months
12 Months
12 Months
6 Months
6 Months
48 Months
48 Months
48 Months
48 Months
48 Months
Hotels, Offices
and Shops
S
IT
M
P
H
24 Months
24 Months
12 Months
12 Months
6 Months
24 Months
24 Months
24 Months
24 Months
24 Months
  • S Stationary equipment
    IT Information Technology equipment
    M Movable equipment
    P Portable equipment
    H Hand-held equipment
  • If class of equipment is not known, it must be treated as class 1
  • All results should be recorded

The Health and Safety at Work Act 1974

This Act puts a duty of care upon both employer and employee to
ensure the safety of all persons using the work premises including the self-employed.

The Management of Health and Safety at Work Regulations 1999

Every employer shall make a suitable and sufficient assessment of:

(a) the risks to the health and safety of his employees to which they are exposed while they are at work, and
(b) the risks to the health and safety of persons not in his employment arising out of or in connection with the conduct by him of his undertaking (Regulation 3(1)

The Provision and Use of Work Equipment Regulations 1998

Every employer shall ensure that work equipment is so constructed or adapted as
to be suitable for the purpose for which it is to be used or provided.

Workplace (Health, Safety, and Welfare) Regulations 1992

Every employer shall ensure that the workplace equipment, devices, and systems
are maintained.This includes keeping the equipment devices and systems in an
efficient state,in efficient working order,and in good repair.Where appropriate,the equipment,devices and systems shall be subject to a suitable system of maintenance.

IEE Guidelines for PAT Testing