
Fixed wire testing is an EICR carried out on commercial premises. It is the same inspection and testing of the fixed wiring, applied to offices, shops, workshops, pubs, salons, warehouses and industrial units. Your insurer will usually want to see a current report, and your duties as an employer make it necessary regardless. We carry out fixed wire testing across Bridgwater, Taunton, Weston-super-Mare and the wider Somerset area. We are NAPIT registered with over eighteen years of testing experience.
A commercial installation works harder than a domestic one and changes more often. Equipment gets added, walls move, a unit changes hands and the new occupier plugs in something the circuit was never sized for. Distribution boards accumulate circuits nobody has documented. Industrial environments add dust, vibration, moisture and heat, all of which degrade connections faster than a house ever would. None of that announces itself until a circuit trips in the middle of trading, or worse.
We inspect and test the fixed installation from the incoming supply through the distribution boards to the final circuits. That includes earthing and bonding, protective devices, cable condition and the circuits themselves, tested rather than simply looked at. Three phase supplies and multiple distribution boards are routine for us. You receive a full report listing every observation with a code, the overall verdict, and a recommended date for the next inspection.
Testing requires circuits to be switched off, which is the part businesses worry about. It does not have to mean closing. Large sites can be tested in sections across several visits so only part of the premises is affected at a time, and much of this work can be done outside trading hours. We agree the plan with you before we start so you know exactly what will be off and when.
There is no single interval that fits everything. Many commercial installations are inspected every five years, but harsher environments and higher risk premises need it more often, and the report itself will recommend when the next inspection is due. That recommendation is made on what we actually find rather than a standard figure, which is the honest way to set it.
How much does fixed wire testing cost?
Commercial testing is priced on the size of the installation, which mostly means the number of distribution boards and circuits rather than the floor area. Tell us what the premises are and roughly how many boards there are and we can give you a figure. For larger sites we will come and look before quoting.
Do you have to test every circuit?
A full report tests all of them. Some larger installations are inspected on a sampling basis by agreement, and where that happens the report says clearly what was sampled and what was not, so nobody is misled about what has been checked.
Can you test without shutting us down?
Almost always. Testing in sections across several visits, or working outside trading hours, means most businesses carry on operating throughout. We agree exactly what will be switched off and when before any work starts.
If your report has expired, your insurer has asked for one or you have taken on premises with no record of testing, get in touch. Tell us what the premises are and roughly how many distribution boards there are and we will price the work and agree a schedule that fits around your trading. Every inspection is carried out and signed off by a NAPIT registered electrician.




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Once approved, we'll complete the job safely, efficiently and to NICEIC NAPIT standards.




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