Audio engineers are the backbone of live events, recordings, and broadcasts, ensuring every note, beat, and voice is perfectly balanced. But behind the mix desk and speakers, a wide range of electrical equipment keeps the sound running smoothly—from mixers and amplifiers to microphones, speakers, and computers.
PAT testing (Portable Appliance Testing) ensures all your gear is safe, reliable, and ready to perform, protecting both you and your audience.
What Is PAT Testing?
PAT testing is the process of checking electrical appliances to make sure they are safe to use. It involves:
- Visual inspection – checking for frayed cables, damaged plugs, or visible wear.
- Electrical testing – using specialist tools to detect hidden faults that could cause shocks or fires.
Each item is labelled pass/fail, and a certificate is issued. PAT testing demonstrates compliance with safety standards and professional responsibility.
Why PAT Testing Matters for Audio Engineers
Even minor faults in electrical equipment can create major disruptions. PAT testing helps by:
- Protecting yourself and others – preventing electric shocks or fire hazards during setups and performances.
- Ensuring uninterrupted audio – avoiding equipment failure that could ruin live events or recordings.
- Maintaining professional credibility – clients, venues, and performers expect safe, reliable equipment.
- Supporting insurance compliance – many liability policies require PAT-tested devices.
- Extending equipment lifespan – early detection of faults prevents damage to expensive gear.
What Equipment Should Audio Engineers Get PAT Tested?
Any electrical device used in audio setups, recording, or live events should be included:
- Mixers, audio interfaces, and amplifiers
- Microphones and powered speakers
- Laptops, tablets, and monitors
- Cables, power strips, and adapters
- Studio lights, fans, or small appliances used in the control room
Even portable or infrequently used equipment should be tested to avoid hazards.
How Often Should PAT Testing Be Done?
Frequency depends on usage:
- Annually – for frequently used, portable equipment.
- Every 2 years – for stationary or low-use devices.
- After visible damage or repairs – always retest before use.
Many audio engineers schedule PAT testing ahead of major events, tours, or studio sessions to ensure safety and reliability.
Is PAT Testing a Legal Requirement?
PAT testing itself is not legally mandated, but UK and European regulations require all electrical equipment used at work to be safe. PAT testing is the recognised method to demonstrate compliance and is often requested by venues, insurers, or clients.
Final Thoughts
As an audio engineer, your focus should be on delivering flawless sound, not worrying about faulty equipment. PAT testing ensures that your electrical gear is safe, reliable, and professional, letting you mix, record, and perform with confidence.
Because the only sparks in your setup should come from the music—not from your devices.