When was the last time you thought about the wiring inside your facility’s walls? If the honest answer is “never” — or “not for a very long time” — you’re not alone. Electrical wiring is one of those things that tends to get forgotten until something goes wrong.
The problem is, by the time something goes wrong with outdated wiring, the consequences can be serious. We’re not just talking about a tripped breaker or a blown fuse. We’re talking fire risk, equipment failure, injury, and significant financial loss.
Here’s what you need to know.
Why Outdated Wiring Is a Bigger Problem Than You Might Think
Industrial facilities place enormous demands on their electrical systems. Heavy machinery, high-powered equipment, and increasingly complex technology all draw significant amounts of power, often far more than the wiring in older buildings was ever designed to handle.
Over time, wiring degrades. Insulation becomes brittle and cracks. Connections loosen. Cables that were adequate for the demands of 20 or 30 years ago simply aren’t up to the job today. And because most of this is hidden behind walls, under floors, or above ceilings, it’s easy to assume everything is fine, right up until it isn’t.
The Key Risks of Outdated Industrial Wiring
1. Fire Risk
Electrical faults are one of the leading causes of fires in industrial and commercial buildings. Deteriorating insulation, overloaded circuits, and loose connections all generate heat — and in an environment where that heat is hidden inside a wall or ceiling void, it can smoulder undetected for hours before igniting.
Outdated wiring that was never designed for modern electrical loads is particularly vulnerable. The result can be catastrophic, not just for the building, but for the people inside it.
2. Equipment Damage
Modern industrial equipment is sensitive. Voltage fluctuations, power surges, and inconsistent supply, all of which can be caused by deteriorating wiring, can damage or destroy expensive machinery. In many cases, the cost of the equipment damage far outweighs the cost of the rewiring that could have prevented it.
3. Risk of Electric Shock
Degraded insulation and faulty connections increase the risk of electric shock to anyone working near or with electrical systems. In an industrial environment, where people regularly interact with machinery and electrical equipment, this is a serious and very real hazard.
4. Regulatory Non-Compliance
The Electricity at Work Regulations 1989 place a legal duty on employers to ensure that electrical systems are maintained in a safe condition. Outdated or deteriorating wiring that hasn’t been inspected or maintained puts you in direct conflict with this legislation and in the event of an incident, the consequences can include significant fines, prosecution, and personal liability.
5. Unplanned Downtime
Few things are more costly for an industrial facility than unplanned downtime. A wiring fault that causes a power outage or forces a section of your facility to shut down can result in lost production, missed deadlines, and unhappy customers. Preventative maintenance is almost always cheaper than reactive repairs and significantly less disruptive.
How Do You Know If Your Wiring Needs Attention?
Some warning signs are obvious. Others are easy to miss. Look out for:
- Frequently tripping circuit breakers
- Flickering or dimming lights
- Burning smells with no obvious source
- Discolouration around sockets or switches
- Wiring that hasn’t been inspected in five or more years
- A facility that has grown significantly since the electrical system was last updated
If any of these sound familiar, it’s time to get a professional assessment.
Don't Wait for a Problem to Force Your Hand
The good news is that identifying and addressing wiring issues doesn’t have to mean significant disruption to your operations. A qualified electrician can carry out a thorough inspection including an Electrical Installation Condition Report (EICR) – to give you a clear picture of your system’s condition and prioritise any remedial work required.
At Arrow Electrical Services, we work with industrial and commercial facilities across Cheshire and the UK, helping businesses stay safe, compliant, and operational. As NICEIC approved contractors, our engineers have the expertise to assess even complex industrial installations and advise on the most effective and cost-efficient way to bring your systems up to standard.
Take Action Before It Becomes an Emergency
Outdated wiring won’t fix itself and the longer it’s left, the greater the risk. Whether you’re overdue an inspection or you’ve noticed warning signs you’ve been putting off investigating, now is the time to act.
Get in touch with Arrow Electrical Services today for expert advice and a no-obligation quote.
Call us on 01244 830419 or visit our website contact page
Arrow Electrical Services — NICEIC Approved Commercial & Industrial Electricians, Cheshire & UK
Arrow Electrical Services provide specialist industrial, commercial and Atex Electrical design, installation and maintenance solutions as well as manage projects across multiple trades using trusted specialist contractors across the UK.
Contact Us
Based in Chester, our experienced team operates nationwide.
Our Location
Deva Court,
Lightfoot St,
Hoole,
Chester
CH2 3AD
Call us at 01244 830 419 or submit the contact form to enquire.
Opening Times
Monday – 7:30am to 5:00pm
Tuesday – 7:30am to 5:00pm
Wednesday – 7:30am to 5:00pm
Thursday – 7:30am to 5:00pm
Friday – 7:30am to 5:00pm