Fuse Box vs Consumer Unit — What's the Difference?
What's actually in that cupboard under the stairs? Old fuse boxes, modern consumer units, and why the difference matters more than you'd think.
Read post 1Blog Series
Understanding Your Electrics
A plain-English guide to what's in your walls, your cupboards, and your consumer unit. Seven posts. No jargon. Each one stands alone — but read in order, they build the full picture.
Most people have no idea what's going on with their home's electrics — and that's not a criticism. Nobody teaches you this stuff. The industry doesn't help either: too much jargon, too many vague answers, and too many electricians who'd rather you stayed confused.
This series is my attempt to fix that. I'll start from the basics and work through to the things that actually matter — what everything does, how to spot a problem, and what to expect when work needs doing. Written the same way I'd explain it on a job: clearly, directly, and without making you feel like you should already know it.
The Series
1
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Why Your RCD Keeps Tripping (And When to Worry)
It's one of the most common calls I get. Sometimes it's simple, sometimes it's a sign of something more serious. Here's how to tell the difference.
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MCBs, RCDs and RCBOs — What Do All the Switches Do?
That row of switches in your consumer unit is doing three very different jobs. Here's what each one actually does — in plain English.
Read post 34
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How Do I Know If My Wiring Needs Replacing?
People don't wake up thinking they need a rewire. They notice symptoms. This post connects the signs to the causes and helps you assess your situation honestly.
Read post 45
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What Happens During an EICR?
Most people have no idea what an electrician is actually doing during an EICR. This post walks through it step by step — not the technical spec, but what you experience.
Read post 56
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Consumer Unit Upgrade — What to Expect on the Day
You've been told you need one. You've read Posts 1–5 and understand why. This post tells you exactly what happens — no surprises.
Read post 67
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Bathroom Electrics — What's Allowed, What's Not, and Why Zones Matter
Zone 0, Zone 1, Zone 2 — what can go where, IP ratings explained, and why bathroom electrical work is notifiable under Part P.
Read post 7Got a Question That's Not Covered?
Drop me a message — I might turn it into the next post in this series.
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