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Electrical Testing

Fixed Wire Testing

The two main risks associated with electricity are electric shock and fire. Every Electrical Installation deteriorates with use and age, which in turn can create heat or even fire. Regular testing of electrical installations and appliances protect against the possible risk of injury to personnel and damage to property.

All aspects of your electrical installation can be inspected and tested for strength, damage, wear, tear, integrity, corrosion, excessive electrical loading, ageing, environmental influences and most importantly compliance with the BS7671:2008 as amended.

John Heaney (Electrical) Limited’s highly qualified workforce are experienced in carrying out all electrical testing. They guarantee to do so with maximum efficiency and minimum inconvenience to the client. If necessary the work can be performed out with normal working hours.

Fixed Installation Periodic Inspection & Testing

This is also known as Fixed Wire Testing, this is the rigorous testing of all electrical circuits contained within the fabric of a building or premises this includes socket outlets, lighting circuits etc and includes checking all fuses, circuit breakers and cables.

FAQ: How regularly should testing be carried out?

Recommended testing periods can be found in the current IEE Wiring Regulations BS7671. These vary depending on the environment and the use of the installation. As a general guide:

  • Public swimming pools, caravan parks, cinemas, theatres, hotels and restaurants should be tested annually
  • Industrial premises should be tested at least once every 3 years
  • Commercial premises and educational establishments such as shops, offices, hospitals and laboratories should be tested at least once every 5 years or change of occupancy

John Heaney (Electrical) Limited’s staff are all trained to carry out inspections of new installations and periodic inspection and testing of existing installations. All inspections and testing are carried out to the recognised standard (BS7671).

Once Testing has been completed, the John Heaney (Electrical) Limited team collate the results and issue the client with a full NICEIC report containing notification of any remedial action required.

Portable Appliance Testing (PAT)

FAQ: What is a portable appliance?

A portable appliance is any electrical item which can, or is intended to be moved whilst connected to an electrical supply or can be disconnected from its socket and taken elsewhere.

Some examples of appliances that require testing include:

  • Kettle
  • Microwave
  • Photocopier
  • Refrigerator
  • Vacuum cleaner
  • Computer
  • Extension leads
  • Printer
  • Fax machine
  • Toaster

FAQ: Why do we carry out PAT testing?

25% of all reportable electrical accidents involve portable appliances (figure from HSE). This safety risk has led to several pieces of legislation being introduced by the government.

FAQ: How often should testing be carried out?

The government regulations do not specify exact timescales for carrying out testing. The frequency of tests is at the discretion of the H&S representative and can depend on:

  • What type of equipment is being used
  • Where the equipment is being used
  • What the equipment is used for

Please note that some insurance policies specify testing be carried out annually.

Regular testing of appliances ensures businesses are complying with the Electricity at Work Regulations and ISO Quality Assurance standards and guards against the risks of injury to personnel and damage to property

In addition you can also carry out your own weekly visual test by checking the appliances flex, plug top, environment and suitability of job. If any problems are found do not hesitate to contact us and we will ensure that your equipment is working correctly. Where faults are found we will repair your appliance where possible but any items found faulty / defective, will be brought to your attention and deemed unusable.

Emergency Lighting Testing

In accordance with the requirements of BS5266, emergency lighting systems should be periodically tested and inspected to ensure that all luminaries function and are positioned (including signage) correctly.

John Heaney (Electrical) Limited can offer a comprehensive testing and assessment service to include the following:

  • Battery discharge test
  • Lumen level output assessment
  • Survey to assess adequate coverage
  • Compatibility with BS requirement

By their very nature, emergency lighting systems need to be reliable. But like all electrical installations, they are vulnerable to deterioration or faults developing over time and these may cause the systems to fail. So it’s essential that suitably qualified engineers test emergency lighting systems regularly.

Thermal Imaging

When a manufacturing business suffers a loss of production due to an electrical problem, the financial implications can be considerable. Even if only one piece of equipment is faulty and shuts down, this will inevitably have a knock-on effect on related processes.

John Heaney (Electrical) Limited therefore recommends that businesses guard against such unnecessary and costly breakdowns by making thermal imaging of electrical plant and equipment part of their regular maintenance programme.

Thermal imaging is a non-invasive procedure which allows the early identification of potential problems such as loose connections or over-heating. The highly technical apparatus scans electrical plant and equipment to produce detailed graphs, which form the basis of a full report.

Any vulnerability will be detected and put right before it can cause a costly breakdown and loss of production.

We inspect anything from HV/LV switchgear to Busbar sections to UPS switchgear and cells under discharge. We offer load readings for supply and circuits, fault rating system to gauge the severity of the fault and remedial recommendations.

Thermal imaging is one of the most valuable diagnostic tools for predictive maintenance. By detecting anomalies often invisible to the naked eye, thermography allows corrective action to be taken before costly system failures occur.

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