Is it law?
Regulation 4(2) of the Electricity at Work Regulations states:
"As may be necessary to prevent danger, all electrical
systems shall be maintained so as to prevent, so far as is
reasonably practicable, such danger."
Regulations are approved by Parliament. These are usually made under the Health and Safety at Work Act, following proposals from HSC.
Therefore it is highly recommended, particularly if the installation is being used by members of the public or employees. Failure to comply could void insurances, it may be worth checking the terms and conditions within these documents.
What is done during a test?
The periodic inspection is split into 2 parts. Firstly, we carry out a visual inspection, this would involve looking at the existing installation including removing about 30% of accessories to look behind them and verify its general condition, age and compliance with the regulations.
Secondly, we carry out, physical tests on the cabling, to ensure its condition and correct wiring. 4 to 5 different tests in total depending on the installation.
On completion, we will issue you with a certificate for the test. It would detail the circuits tested and the relevant test results. We would also list any items we found that are deemed unsafe or do not comply with current regulations.