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Short Fuse Electrical
The new consumer unit with its cover off, an electrician locking off a breaker with a safety lock and tag

Project · Bedminster, Bristol

Old fuse box replaced with a modern consumer unit

A 1970s fuse box with pull-out fuses swapped for a new metal consumer unit with RCBO protection on every circuit and surge protection.

The old Wylex fuse box with four black pull-out fuse carriers
Before
The new consumer unit with its cover off, an electrician locking off a breaker with a safety lock and tag
After

The owners of this Victorian terrace were buying a new electric oven, and the fitter refused to connect it to the old fuse box under the stairs. It still had rewireable fuses, with fuse wire wrapped round ceramic carriers, and no RCD protection at all.

What we did

We tested every circuit first, so there were no surprises once the old board came off. Then we fitted a new metal-cased consumer unit (fire-resistant cases are now required in homes) with an RCBO for each circuit. That way, if one circuit trips, the rest of the house stays on. We added surge protection and labelled every breaker clearly.

The result

Power was off for about five hours, the new oven went in the next day, and we notified Building Control and emailed the owners their Electrical Installation Certificate.

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