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How Often Should I Test My Electrical Installation?

Most people assume that their electrical installations are permanent. Once they are set up they don't have to worry about maintenance. Unfortunately this is far from the truth. You may have hired the best electrician in your area that provided you with the highest quality electrical installation, but even these deteriorate over a period of time and require ongoing maintenance checks to ensure that they are working properly and your property is not at risk.

Poorly maintained wiring is a serious problem that increases risks. They can cause serious property damage, even be fatal to occupants. So it's something you want to avoid at all costs. Problems with electrical installations can cause anything from power surges and tripping circuits to complete loss of power. They can also cause damage to appliances and your property.

Some applies require high energy, such as air conditioners, desktop computers, and fridges. These are susceptible to power surges that can result in permanent damage, reducing their lifespan. In serious cases, electrical installations can cause the wiring to spark and cause a fire. Fires are common in residential homes and commercial environments.

In order to avoid any problems, home and business owners should have their electrical installations tested and checked. Remember prevention is always better than cure. Damage caused by faulty electrics can cost you a  lot of money when it comes to repair costs. Ongoing and regular maintenance checks identify potential problems early on, reducing the risk of disaster.

How Often Should I Test My Electrical Installation

Electrical installations don't show signs of problems until later, when the issue has become a serious problem. This is the type of situation you want to avoid at all costs. In order to ensure your electrical installation is working properly and in good condition, you need to have regular checks carried out by a reliable and licensed electrical contractor. They can identify any problems and provide a repair solution, that will work out less than having to repair expensive damage caused by faulty electrics.

Regular inspections can keep your business and home safe.

Residential Inspections

It is recommended that residential properties be inspected and tested at least every five to ten years. It is also common when buying or selling a property, ensuring the wiring is in good condition for the new owner.

Commercial Inspections

Electrical installation testing and inspections are required under the Electricity of Work Act 1989, meaning that the electrical inspection must be deemed safe for use. This should be done with an Electrical Installation Condition Report (EICR) at least every three to five years. 

Landlord Safety Certificates

Landlord safety certificates provide electrical installation reports, identifying issues to ensure the property is safe and that the electrics meet regulations. This must be carried out every five years or when a new tenant moves into the property. 

What do Electrical Installations Checks Include?

There are two types of electrical inspection tests that can be carried out by professional electricians. These include:

Visual Inspection Reports

Visual inspection reports (VIR) are carried out to inspect visible signs of damage or defect, providing a general summary of the installations health, along with recommendations on repairs. This includes visually checking sockets, lights, switches, plugs, fuse boxes, earthing, and more. 

Electrical Installation Condition Report (EICR)

This is a detailed report where the electrician identifies problems that can not be identified with a visual inspection report. It identifies defects, deterioration, and damage that could result in a serous hazard over time. Once completed, a certificate is provided that classes the condition of the electrical installation as follows:

  • Code C1 – Danger exists and immediate action is needed
  • Code C2 – Problems were observed, though not considered dangerous right now. Problems could become real dangers in the near future and require repair 
  • Code C3 – Problems are not dangerous now and any improvements would increase the heath of the electrical system.


Both homes and businesses in the UK should have their electrical installation tested at least every five years and when there s a change in tenant or owner. These tests ensure your electrical installations are in good condition and there are no serious problems that require immediate attention to mitigate risks to you and your home or business.

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