Switchboard Failures in Commercial Settings: 5 Signs It's Time to Call the Experts

Your commercial switchboard is the nerve centre of your electrical system. When it’s functioning properly, it quietly powers operations without disruption. But when things go wrong, the risks are anything but silent — from equipment damage to business downtime, or worse, fire hazards. 

Switchboard issues in commercial environments are more common than you might think, especially in tropical regions like North Queensland. Here are five signs that it’s time to call in the RCD Test Tags experts before minor issues escalate into major threats. 

1.Frequent Tripping of Circuit Breakers

If your switchboard is regularly tripping, it’s trying to tell you something. Whether due to circuit overload, short circuits, or ground faults, these repeated interruptions can impact productivity and damage sensitive equipment. Persistent tripping is a major red flag that your board needs professional attention.

2. Signs of Overheating

A warm switchboard is one thing, but if you notice scorching smells, discoloured casing, or melted insulation, that’s a serious concern. Overheating often stems from loose wiring, overloaded circuits, or poor maintenance — all of which can lead to dangerous electrical fires if ignored. 

3. Presence of Vermin or Insects

In North Queensland’s warm climate, geckos and insects are notorious for finding their way into unsealed switchboards. According to AS/NZS 3000:2018 Clause 2.10.2.5, cable entries must be sealed to prevent vermin ingress — yet many switchboards are left with missing grommets and open holes. Geckos bridging active and neutral terminals have been known to cause fires. It's crucial that boards be sealed properly, not just wired correctly. 

4. Outdated Components or Non-Compliant Panels

If your switchboard is over 10–15 years old, there’s a high chance it doesn’t comply with current Australian standards like Clause 2.9.4 – Protection Against External Influences. This regulation mandates that boards provide protection against dust, moisture, and vermin — especially vital in harsh commercial environments. An RCD Safety Switch Testingexpert can inspect and reveal whether your board needs an upgrade. 

5. Visible Damage or Corrosion

Switchboards exposed to moisture, poor ventilation, or chemicals may show visible corrosion or wear. Rusted panels, cracked covers, or exposed wiring aren’t just cosmetic problems — they’re real risks that compromise the integrity of your electrical infrastructure.

Frequently Asked Questions

Choose Voltec’s Expert Solutions 

At Voltec Maintenance, we don’t just install and inspect — we offer future proof RCD Test and Tag. Our team is trained to identify early signs of switchboard failure and perform detailed assessments that meet the latest standards. We’ll ensure your switchboard is sealed, compliant, and fit for your operating environment, minimising risks and downtime. 

Don’t wait for a breakdown to happen. Partner with Voltec, one of the leading Commercial Electrical Companies, for proactive switchboard inspections and tailored commercial electrical solutions.