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Fixed Installation Testing

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A fixed electrical testing includes all parts of a distribution system, from the main incoming supply point, through to wiring accessories such as sockets and light fittings - and everything in-between. As the majority of this part of the installation remains out of sight, it is often forgotten in terms of test and inspection, yet fixed wire testing remains of paramount importance to ensuring safe conditions

What is Fixed Installation Testing?

It is vitally important that, through periodic inspection, all fixed wires, cables, accessories and switching equipment are checked and in good working order, so that the system remains safe. That's where Facit Testing's Fixed Wire Testing service comes in. A thorough visual inspection is undertaken, followed by several electronic tests, which are carried out by injecting test voltages and current through the system to determine the integrity and functionality of cables, accessories and disconnection devices.

What's involved?

This involves the inspection of every circuit within the installation from the Distribution Board right through to the end item which includes but is not limited to sockets, lights, light switches, fused spurs/spurs etc. This does require the power to all the affected circuits to be isolated for a pre determined amount of time to carry the tests required. This testing procedure checks all the cables that cannot be see by the eye, ie all caballing within walls and ceilings that could possible be coming to the end of its life or that could have been damaged by rodents or by some other means of accidental damage.

What we do

Through periodic fixed wire testing, Facit Testing's electricians will identify any potentially dangerous defects within the system that may lead to fire or injury. The benchmark for this inspection and test process is BS 7671 (The IEE Wiring Regulations), which provides guidance on how systems must be designed, installed and maintained. Deviations from this British Standard are most likely to be the cause of any problems. After the initial visual inspection, the Facit Testing electrician will carry out several electronic tests to determine the integrity and functionality of cables, accessories and disconnection devices.

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Regulations

Fixed wire testing and inspection is paramount to safety in the workplace, as is adhering to the periodic testing frequency, as outlined by the British Standard. Periodic testing frequency varies from every five years for commercial installations, three years for industrial installations, one year for buildings that open to the public, and three years for external installations.