RCD Types Explained: Type AC, A, F and B (UK Guide)
RCD type depends on the equipment connected. Type AC suits basic AC loads, while Types A, F and B handle modern electronics and DC faults. The right RCD type depends on the equipment connected to the circuit. Types AC, A, F and B represent a progression from basic AC protection to wider waveform tolerance. Modern […]
When Do You Need a Fused Spur? Wiring, Installation & Safety
A fused spur is required in UK wiring when hard-wiring fixed appliances, adding sockets from ring circuits, or providing local isolation. It protects cables and devices while ensuring BS 7671 compliance. Fused spurs confuse more homeowners and DIY enthusiasts than almost any other electrical component. These little boxes play a vital safety role, yet countless […]
Are Old Consumer Units Safe? UK Surge Protection Guide
Most UK consumer units installed before 2018 lack surge protection devices (SPDs), leaving electronics vulnerable to damage and fire risks. Upgrading protects your family and expensive electronics. A lot of UK homeowners don’t realise their older consumer units offer zero protection against these transient over voltages. Most consumer units installed before BS 7671 18th Edition […]
