Plugged Into Compliance: How PAT Testing Supports UK Legislation
- Wattech Ltd

- Oct 23
- 2 min read
PAT Testing supports compliance with a number of key UK legislation including the Electricity at Work Regulations 1989, Health and Safety at Work Act 1974, and Provision and Use of Work Equipment Regulations 1998, as outlined in the IET Code of Practice 5th Edition.

Ensuring Legal Compliance Through PAT Testing: What UK Legislation It Supports
At Wattech Ltd, we understand that electrical safety isn’t just good practice—it’s a legal obligation. Portable Appliance Testing (PAT), or more accurately, the in-service inspection and testing of electrical equipment, plays a vital role in helping businesses meet their statutory duties. The IET Code of Practice for In-Service Inspection and Testing of Electrical Equipment (5th Edition) provides the framework for this process, aligning it with several key pieces of UK legislation.
Here’s how PAT Testing helps your organisation stay compliant:

⚖️ 1. Electricity at Work Regulations 1989 (EAWR)
Core requirement: Employers must ensure electrical systems are maintained to prevent danger.
PAT Testing supports Regulation 4(2), which requires that all electrical equipment be maintained in a safe condition.
The IET Code of Practice offers a structured approach to inspection and testing, helping demonstrate due diligence in maintaining equipment safety.

🛡️ 2. Health and Safety at Work Act 1974
Core requirement: Employers must ensure the health, safety, and welfare of employees and others affected by their operations.
PAT Testing contributes to fulfilling Section 2, which mandates safe systems of work.
Regular inspection and testing of electrical equipment helps mitigate risks of electric shock, fire, and injury.

🧰 3. Provision and Use of Work Equipment Regulations 1998 (PUWER)
Core requirement: Work equipment must be suitable, maintained, and inspected to ensure safety.
PAT Testing supports Regulation 5, which requires maintenance of equipment in an efficient state.
It also aligns with Regulation 6, which calls for regular inspection where equipment deterioration could lead to risk.
📘 Updates in the IET Code of Practice (5th Edition)
The 5th Edition of the Code expands the scope beyond just portable appliances to include all electrical equipment, such as fixed, movable, and handheld devices. Key updates include:
• Risk-based approach: Testing frequency should be based on equipment type, usage, and environment—not a fixed schedule.
• New leakage test limits: Increased to 5 mA for all equipment types to reduce unnecessary failures.
• Clarified procedures: Especially for equipment with functional earths, improving accuracy and consistency in testing.
🏠 Remote Work Considerations
With more employees working from home, the Code also acknowledges the need to test company-issued equipment used off-site. Wattech Ltd offers flexible solutions, including on-site testing days and home visits, to ensure your compliance extends beyond the office.
✅ Conclusion
PAT Testing is not just a technical task—it’s a cornerstone of your legal compliance strategy. By following the IET Code of Practice and partnering with Wattech Ltd, you demonstrate a proactive commitment to safety, professionalism, and regulatory integrity.
For tailored PAT Testing solutions and compliance support, contact us today.

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