What BS 5839-1 is, the fire-alarm system categories (M, L1–L5, P1–P2), how it differs from domestic BS 5839-6, and the testing businesses must do. A clear UK guide.

What earthing and bonding are, why they’re vital for electrical safety, the difference between main and supplementary bonding, and how to tell if yours is adequate.

How often PAT testing is needed — why there’s no fixed legal interval, the risk-based approach, and suggested intervals by equipment and environment. A clear UK guide.

What an AFDD (arc fault detection device) is, how it prevents electrical fires, where it’s now required under BS 7671, and whether you need one at home. A clear UK 2026 guide.

The electrical requirements for HMOs in 2026 — 5-yearly EICR, AFDDs on socket circuits, interlinked fire detection, PAT for supplied appliances, and licensing. A landlord guide.

Emergency lighting rules for UK businesses — where it’s required, BS 5266-1, the monthly function test and annual 3-hour test, and the log book you must keep.

What BS 7671 (the IET Wiring Regulations) is, the current 18th Edition with Amendment 4:2026, what changed, and what it means for your home’s electrics. A plain UK guide.

What an OZEV-approved (authorised) EV charger installer is, why you need one to claim the chargepoint grant, and how to check an installer is genuinely authorised. UK 2026.

Downlights vs pendant lights — the pros, cons, and best rooms for each, plus why period homes often suit pendants and wall lights. A practical UK lighting guide.

Plastic vs metal consumer units — why UK regs now require non-combustible (metal) boards for domestic installs, what it means for older plastic units, and when to upgrade.

Mains vs battery smoke alarms — the real differences in safety, interlinking, and compliance, plus what UK landlords and new installs actually need. A clear 2026 guide.

Electrician vs handyman for electrical jobs — what a handyman can legally do, what needs a qualified electrician, Part P rules, and why it matters for safety and your home sale.

Tethered vs untethered EV charger — the pros and cons of each, which suits your home and habits, and what to consider before choosing. A clear UK 2026 guide.

7kW vs 22kW home EV charger — why 7kW suits ~95% of UK homes, why 22kW needs an expensive three-phase supply, and when the upgrade is actually worth it.

How to choose the best home EV charger in 2026 — the features that matter (smart, tethered, load balancing), what to ignore, and which type suits your home. An honest UK guide.

What three-phase power costs in 2026 — single-to-three-phase upgrades, DNO charges, the consumer unit, and what drives the price. Realistic UK ranges for homes and businesses.