Hello. If you manage a business premises in Conwy, Denbighshire or wider North Wales, include fixed electrical inspection and testing in your maintenance plan.

An Electrical Installation Condition Report, or EICR, helps you understand whether your electrical installation remains safe for continued use. It can identify defects before they cause injury, fire, equipment damage or business disruption.

Dragon Security & Electrical provides commercial electrical testing services, remedial work and planned maintenance for businesses, landlords, facilities managers and property owners throughout North Wales and beyond.

What is an EICR?

An EICR is a formal report on the condition of a building’s fixed electrical installation.

It normally covers:

An EICR involves both visual inspection and electrical testing. A competent electrician uses calibrated test equipment to assess the installation against relevant requirements, including BS 7671, the IET Wiring Regulations.

The report records the findings. It may identify damage, deterioration, poor workmanship, unsuitable alterations, overheating, loose connections and other conditions that could create danger.

An EICR is not the same as a repair certificate. It assesses the condition of an existing installation. It does not automatically include remedial work.

Why does commercial electrical testing matter?

Electrical installations deteriorate through age, use, environmental conditions and alterations. Problems can also arise when equipment is added without checking whether existing circuits can safely support the additional load.

Regular inspection and testing helps you manage these risks.

Protect employees, visitors and contractors

Faulty wiring, damaged accessories and defective protective devices can increase the risk of electric shock, burns and electrical fire.

A commercial EICR provides a structured assessment of the installation. It gives property owners and duty holders better information when reviewing workplace safety.

Reduce the risk of business disruption

Electrical faults can interrupt lighting, heating, production equipment, IT systems and security systems. An unexpected failure can affect customers, staff and business operations.

Testing can identify developing problems before they become emergency faults. You can then schedule work around your operating hours and plan any necessary isolation.

Support legal and insurance responsibilities

The Electricity at Work Regulations 1989 require electrical systems to be maintained so far as is reasonably practicable to prevent danger. The regulations do not set one fixed EICR interval for every commercial property.

A risk-based inspection, testing and maintenance programme helps demonstrate that electrical safety is being managed. Your insurer, landlord, lease or risk assessor may also require specific inspection arrangements.

Review your own policy and property requirements. Do not rely on a generic interval without considering the condition and use of the premises.

Read the Health and Safety Executive guidance on electrical testing for further information.

How often should a commercial EICR be carried out?

There is no single testing interval that applies to every business.

The appropriate interval depends on factors such as:

A typical low-risk office or standard commercial property may commonly be assessed on a five-year cycle. Industrial premises, workshops, agricultural buildings, leisure facilities, public buildings and harsher environments may require more frequent inspection.

The next inspection date should be considered by the competent person completing the report. Use that recommendation alongside your risk assessment, insurance conditions and maintenance records.

Arrange an earlier inspection if:

What happens during an EICR?

Plan the inspection with your electrical contractor before the visit. Provide access to distribution boards, plant rooms, risers, service areas and other relevant locations.

The process normally includes the following stages.

1. Review existing information

The electrician may review previous EICRs, installation certificates, distribution board schedules, drawings and details of recent alterations.

This information helps identify changes and known issues.

2. Complete a visual inspection

The electrician checks accessible parts of the installation for signs of damage, deterioration, overheating, corrosion, poor labelling and unsuitable modifications.

The inspection may include distribution boards, accessories, cable routes, containment, switches, sockets and visible connections.

3. Carry out electrical tests

Testing may include continuity, insulation resistance, polarity, earth fault loop impedance and operation of protective devices. The exact tests depend on the installation and the practical conditions on site.

Testing can require temporary isolation of circuits. Agree access and shutdown arrangements in advance.

Engineer carrying out electrical inspection and testing with professional test equipment

4. Record observations and codes

The EICR records observations using classification codes. Common codes include:

An installation with C1 or C2 observations will normally be recorded as unsatisfactory. FI observations also require prompt attention because the inspector cannot confirm the condition without further investigation.

Do not treat C3 observations as evidence of immediate danger. However, they should still be reviewed as part of your improvement and maintenance planning.

Common defects found during commercial testing

The findings will vary between properties. Common issues include:

Some defects can be corrected quickly. Others may require circuit tracing, further investigation, partial rewiring, distribution board upgrades or a planned shutdown.

Inspection and testing is not repair work

An EICR reports on the condition of the installation. It does not mean that every defect will be repaired during the inspection.

Inspection and testing involve:

Remedial work involves correcting defects identified in the report. This may include replacing damaged accessories, tightening or remaking connections, improving protection, upgrading distribution equipment, repairing wiring or completing further investigation.

Use the report to prioritise work. Address C1 and C2 items urgently. Investigate FI items without delay. Review C3 items as part of your planned electrical maintenance programme.

Dragon can provide inspection and testing, remedial electrical work and ongoing planned preventative maintenance. This creates a clearer process from identification through to completion.

Why accurate records matter

Keep your EICR with other electrical safety documents. Useful records include:

Good records help you track recurring problems and plan future expenditure. They also help future electricians understand the installation.

For facilities managers and property managers, consistent records are particularly important across multiple buildings or sites. A central schedule can show:

This supports a rolling maintenance programme and reduces the chance of missed inspections.

Electrical testing services in North Wales

Dragon Security & Electrical is a North Wales-based commercial electrical contractor. Our electrical services include periodic inspection and testing, commercial electrical work, PAT testing, emergency lighting services and maintenance support.

We work with:

We can help you assess your testing requirements, arrange a suitable inspection programme and plan remedial work around your operations.

Arrange an EICR North Wales

Check your current report before booking. Confirm the installation covered, the recommended next inspection date and any outstanding observations.

If your business needs commercial electrical testing in Conwy, Denbighshire or wider North Wales, contact Dragon Security & Electrical.

Call 01492 330330 or request a quote through our contact page.

Use regular EICRs as part of a wider electrical maintenance plan. Test the installation. Record the findings. Complete necessary remedial work. Review the programme as your building and business change.

Useful guidance