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Another one from the Electricians Guide To The Building Regulations... 5.2.2 i Wiring accessories (eg socket-outlets, switches) should preferably be mounted on the building fabric and not on kitchen furniture.

From the latest version of the Electricians Guide To The Building Regulations, Section 5.2.2 - Location of accessories in kitchens General guidance can be provided as follows: i-iv... v Socket-outlets supplying washing machines and dishwashers etc, should be positioned so that water that...

As per original post, it's a TT system. The 100mA Type S feeds two consumer units, each protected by its own 30mA. It's quite a complicated setup. The building is a farm house that has been split into two separate dwellings (parents living one side, offspring the other side). The supply...

It's an old installation. The RCDs are separate units outside rewireable fuse boards. Incomer - meter - 100mA - 2 x 30mA - fuse board. Absolutely everything is under the pair of RCDs.

A friend's cooker element blew and tripped their main 100mA Type S RCD (it's a TT system) but the 30mA before it didn't trip. I would have expected the 30mA to go first thus saving the 100mA from bothering with it. Am I missing something here?

When you say there's no individual RCD that trips, do you really mean individual RCD or do you an MCB or RCBO? There's a very big difference between them. RCDs will usually protect several circuits whereas an MCB or RCBO protects only an individual circuit, often, in the case of MCBs, with...

I understand the rules to be that any circuit I work on has to be compliant with the regs, not just any extension I do to an existing circuit. If I've got this wrong then I'll be a very happy bunny indeed.

A customer wants to add a spured socket to an existing ring final. The CU has MCBs with no RCD protection and no spare ways. There's no way they'll go for a CU change just for one socket and I very much doubt that adding a socket with built-in RCD is good enough to conform to Regs. How would...

Another one... Add a socket with in-built RCD to a non-RCD protected circuit?

Is the garage directly connected to your land/property? If it is then some steel wire armoured (SWA) cable should do the job from your house to a small consumer unit in the garage. If you're not connected, you'll be running the cable across public land so may be a problem.

Got a CU with RCD protection on upstairs, downstairs and kitchen ring finals. No RCD protection on upstairs and downstairs lights, immersion heater, or cooker. The cooker switch contains a socket outlet. Presumably I need to move the cooker MCB to the RCD side of the board? Thanks.

panny, no you don't have to bring the installation upto current regs. The exact wording on the model form in BS7671:2008 for this situation is as follows... FYI, the 4 is the lowest on the scale of 1 - requires ugent attention, 2 - requires improvement, 3 - requires further investigation, 4...

I'd guess it's a reference to 522.6.8 which states

My WD61 has stopped filling with water via the main soap chamber and uses the much smaller chamber to the left. This is a recent thing as it's always filled from the main one before. This is stopping the soap from getting in to the wash. I've had the top off and can see no blockages in any of...