A failed kettle in a staff kitchen and a fault within a building’s wiring may both create an electrical risk, but they are not found in the same way. Electrical inspection vs appliance testing is a distinction every duty holder should understand when planning workplace compliance, budgets and maintenance.
Portable Appliance Testing (PAT) focuses on movable electrical equipment and its leads. An electrical installation inspection examines the fixed wiring that supplies that equipment. One cannot replace the other. A well-managed site needs a proportionate approach to both, based on the premises, equipment, users and level of risk.
Electrical inspection vs appliance testing: the key difference
An electrical inspection, usually recorded as an Electrical Installation Condition Report (EICR), assesses the condition of the fixed electrical installation. This includes consumer units, distribution boards, sockets, switches, circuits, earthing and bonding. The purpose is to identify damage, deterioration, defects, overloaded circuits or work that does not meet the required safety standard.
Appliance testing assesses portable and movable electrical equipment connected to that installation. Typical items include computers, monitors, extension leads, kettles, microwaves, chargers, power tools, cleaning equipment and portable heaters. PAT normally combines a formal visual inspection with electrical tests appropriate to the item.
The practical difference is straightforward. An EICR asks whether the building’s electrical system is safe to use. PAT asks whether individual appliances and their cables are safe to use. A satisfactory EICR does not confirm that a damaged extension lead is safe, and a passed PAT test does not confirm that the socket supplying it is in good condition.
What an electrical installation inspection covers
Fixed wiring is out of sight for much of its working life, which is why periodic inspection matters. During an EICR, a competent electrician will inspect and test accessible parts of the installation, then provide a report explaining its condition.
The inspection may identify issues such as inadequate earthing, damaged accessories, signs of overheating, incorrect circuit protection, deterioration within distribution boards, or additions to the installation that need further attention. The report will classify observations by urgency, helping the responsible person understand whether remedial work is required immediately or should be planned.
An EICR can involve controlled interruptions to electrical supplies while circuits are tested. This should be considered before the visit, particularly in schools, healthcare settings, managed properties and offices with essential IT equipment. Good planning allows testing to be scheduled around operational needs and reduces avoidable disruption.
The recommended interval for an installation inspection depends on the type and use of the premises. A busy workshop, for example, is exposed to different risks from a small office. The previous EICR, the age and condition of the installation, changes of use and any known faults should all inform the schedule.
When to arrange an EICR
A periodic inspection should not be treated as a paperwork exercise. It is particularly sensible to review the fixed installation when moving into a property, following significant electrical alterations, after flood or fire damage, when a previous report recommends it, or when recurring electrical faults are being reported.
For duty holders, the report also creates a clear record of the installation’s condition and of any remedial action taken. Keeping this information accessible is valuable when managing contractors, insurance requirements, property portfolios and internal health and safety responsibilities.
What appliance testing covers
PAT is a risk-based maintenance process for electrical equipment. It begins with a visual check, because many faults are visible: cracked plugs, damaged flexes, loose connections, scorch marks, unsuitable adaptors or equipment used in an unsuitable environment.
Where appropriate, the tester then uses calibrated equipment to carry out electrical checks. Depending on the appliance, these may include earth continuity, insulation resistance, polarity and lead testing. Not every item is tested in exactly the same way. Double-insulated equipment, for example, has different test requirements from Class I equipment with an earth connection.
A competent PAT programme should include an asset record, clear pass or fail identification, results that can be traced to individual items, and a process for removing failed equipment from service. A label is useful for day-to-day checks, but the test record is the stronger evidence of what was inspected, when it was tested and what action was needed.
How often should appliances be tested?
There is no single legal interval that applies to every appliance in every workplace. The Electricity at Work Regulations 1989 require electrical systems to be maintained so far as is reasonably practicable to prevent danger. This does not mean every item needs testing annually.
Frequency should be based on risk. A desktop computer in a low-risk office may need less frequent formal testing than a power tool used daily on a construction site. Equipment used by the public, borrowed between departments, exposed to water, moved regularly or used in demanding environments will generally require more frequent checks.
User checks also matter. Staff should know to report damage and stop using equipment that appears unsafe. A regular visual check between formal PAT visits is often the quickest way to identify a newly damaged lead or plug.
Why one service cannot substitute for the other
Confusion often arises because both services involve electricity, testing equipment and compliance records. Their scopes remain distinct.
Consider a meeting room with a faulty socket and a laptop charger with a split cable. An appliance test may identify the charger fault but will not assess the socket circuit in the same depth as an installation inspection. Conversely, an EICR may confirm the circuit is satisfactory while the charger remains a direct risk to the user.
The same principle applies to extension leads and multi-way adaptors. These are portable appliances or accessories and should be included within the appliance testing programme. Their use may also indicate that the fixed installation no longer provides enough sockets for the way the space is being used. In that situation, PAT can find the immediate equipment issue while an electrician may need to consider whether changes to the fixed installation are appropriate.
Building a proportionate electrical safety plan
The right programme begins with a clear site picture. Identify the premises under your control, the condition and age of the fixed installation, the equipment in use, higher-risk areas and any operational restrictions. A school with shared IT suites, a care environment with specialist equipment and a commercial office will each need a different approach.
Maintain an up-to-date appliance register, especially where equipment is moved between floors or sites. Include staff-owned equipment where it is permitted for work use, as it can still introduce risk into the workplace. Equipment that fails should be withdrawn, clearly marked and repaired, replaced or disposed of before it returns to service.
For the fixed installation, retain current EICRs, certificates for alteration work and records showing that any observations have been addressed. Do not assume that receiving a report closes the task. If remedial work is recommended, assess the risk promptly and make sure the work is completed by a suitable competent person.
A coordinated visit can reduce disruption where PAT and other safety services are being arranged. Site-specific planning is particularly helpful for occupied premises, allowing access requirements, restricted areas, safeguarding arrangements and preferred working hours to be agreed before engineers arrive.
Choosing a competent provider
Electrical safety work should be completed by people with the appropriate qualifications, experience and equipment for the task. For PAT, look for trained engineers who can explain their testing process, provide clear records and work respectfully around staff, pupils, residents or visitors. DBS-cleared engineers may be especially relevant in schools, care settings and other sensitive environments.
For electrical installation inspection, ensure the work is undertaken by a suitably qualified electrician able to inspect, test and issue the relevant report. Be wary of a service that promises a fixed outcome before the condition of the installation is known. Competent inspection identifies the actual condition of the system; it does not simply produce a certificate.
Janus Safety Solutions plans PAT around the practical needs of each site, helping organisations keep equipment records current while minimising interruption to normal operations. Where required, a pre-job discussion, site survey and health and safety risk assessment can help ensure the work is properly prepared.
Treat electrical safety as an active maintenance responsibility rather than a date in a diary. When fixed wiring and portable equipment are managed separately but planned together, duty holders gain clearer evidence, safer premises and fewer unwelcome surprises during the working day.