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Thanks both of you.....that is very informative. What I would like to understand is what "Also gives the relationship of I2 being a maximum of 1.45 x Iz which is true for most common protective devices " I understand what Iz is but what is I2 ? please. If Iz is the carrying capacity of...

Can anyone advise me what exactly 433.1.1 refers to in BS7671...I would guess its in relation to Overload protection but I would like to know what the exact text says or better still an official guidance to that reg ? Could the same be done for reg 120.1 & what "Functioning requirement" is ...

Now that I've got mega amounts of insulation in the roof space of my house...................I do wonder if it could get so cold up in the loft that the cold water tank & pipes could freeze ? Has anyone experience of this & what have they done to prevent reoccurance ? The tank itself has...

It is not law "yet" to require an Electrical Safety Report..........although I personally have got one done for my house. The electrics just need to be checked over but anyone decent would for thier own peace of mind get a NICEIC Electrician to do a periodic safety report..........this can be...

I have a Warm Air Central heating system & would like to rent out the house, I considered going over to a wet system but the cost is too high.............the Boiler & Warm Air unit is going well & supplies the needs of the family.................however does anyone know where I can obtain spares...

Re the RCCB problem, The kitchen I talk of is infact an extension to the house when I had the RCCB I did infact "disconnect" the Kitchen from the circuit via a socket in the Original kitchen............however what surprised me as this socket was the closest to the new kitchen I was expecting to...

I've recently had an electrician in to sort out why my RCCB kept triggering when I put the Ring Main CB on..............the exact cause was never found although a certain part of the Ring main was found to have a low Resistance reading (Less than 200MOhm ?) & when this part was included in the...

Thanks for that...............worked well......... Found the rubber washer at the bottom of the flush unit gunked up & bent in an upward direction........I cleaned it off & not better.........do you know how to get the washer off without breaking the fragile flush unit ? Also have tried...

Thanks for that. Is the size related to whether you use the big flush or small flush ? How do you get the lid off ?..................I thought you pushed the buttions to flush & then turned the collar retaining these buttons (or infact I thought retaining the lid) but the collar won't budge &...

I live in a 2nd floor flat (so I can't find where the over flow is !!) Recently the dual flush cistern keeps taking in water in a cycle.....ie 30 seconds filling up then shut off, then 2 minutes later fill up for 30 seconds then shut of all through the night...................doesn't seem to do...

When I turn on my ring main Circuit Breaker the RCCB for the whole board trips detecting in what I thought a leakage to Earth. I've either disconnected every appliance from the main, turned off every socket & where there is both a fuse & a swith taken out the fuse....so basically its just the...

Yesterday my machine didn't pump all the water out after a spin cycle, so after taking top off & the back, I found that there was current going to the water pump but the pump wasn't working (nor could I hear it trying to turn against an obstruction) so I'm assuming the pumps burnt out. Then I...

My Hoover AE130 has done me well................but for the last 2 years the off/on button has got harder to operate..............down to a duff micro switch.........................anyone know where I can obtain a new circuitboard ???? Paul