Class 1 vs Class 2 Appliances: Symbols, Examples & Tests
Understand Class I and Class II protection, use manufacturer markings to identify equipment and choose suitable checks without guessing from plugs or casings.
Equipment and testing
Browse guides to appliance types, PAT testers, calibration and the equipment you may encounter when testing.
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PAT Tester Calibration: Frequency, Checks and Records
Plan PAT tester calibration and verification using manufacturer instructions, equipment condition and applicable requirements. Understand the records to keep.
PAT Testing Equipment: Every Machine, Tester & Tool Explained
Confused by PAT testers, tags, software and calibration kit? A plain-English breakdown of every bit of PAT testing equipment and what it actually does.
What Appliances Need PAT Testing? The Full UK List (2026)
Build an electrical-equipment maintenance inventory, from kettles and computers to leads and fixed equipment. Understand which checks depend on risk.
Do Brand-New Appliances Really Need PAT Testing?
Buying new kit doesn't always mean skipping the test. What the HSE and the law actually say about PAT testing new, unused and second-hand appliances.
PAT Testing Laptops, Monitors & IT Kit: What You Need to Know
Plan suitable checks for computers, monitors, chargers and mains leads. Identify the actual protection class, assess risk and coordinate sensitive IT maintenance.
Fixed vs Portable Appliances: What Counts as a PAT Test Item?
Understand handheld, portable, movable, stationary and fixed equipment, and when fixed or three-phase work needs additional specialist competence.
Do Extension Leads Need PAT Testing? Inspection and Testing Explained
How to include extension leads, cable reels and adapters in a risk-based maintenance plan, with equipment-specific testing and practical damage checks.
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