Search results

If there's no RCD protection to circuits in Domestic situation (17th Ed Regs), what number should it be on a PIR?

Is it acceptable to upgrade a 6mm main earth to 16mm by simply adding a 10mm to the existing 6mm?

All cables buried less than 50mm have to be RCD protected right? What bout Meter Tails straight from Meter which are buried in walls?

What code would this be on a pir then? 1 or 2? And why?

If Bonding to Gas & Water are only 6mm2 instead of 10mm2, is it still ok to carry out minor additions or alterations? If a CU was to be upgraded, does the 6mm2 have to be upgraded to 10mm2 or can it be marked as departure on Installation cert?

ml1936 wrote: What if the main incomer is a 100A 30mA RCD? Is this ok? Doesn't comply. Why dosnt it comply?

17th Edition requires all circuits to be supplied via 30mA RCD if buried less than 50mm, correct? What if the main incomer is a 100A 30mA RCD? Is this ok? Will it not cause dangerous situation if power fails due to fault? How is this interperuted in 17th Ed? The new dual RCD CUs. Upstairs...

Whats requirement for earth electrodes being buried? Been to hoses lately and there either buried in concrete floor with top bit stuck out and earth cable attached to it, or buried in street outside front door and cable attached to top which is poking out of concrete. I thought they had to be...

Seen loads of houses with bonding to gas but not water when water needs bonding and houses only built in 80s! surely someone must know when bonding to them came in

When was it Bonding to Water Stop cock was required to meet regs? Been to loads of Houses where this is not installed at all, so was wondering when it became a reg. What about Gas Bond as well, when did that become a reg?

Does Firerated Spots have to be installed in ceilings now with 17th editon comin out? My understanding was only neccessary if seperate dwelling above or installed in garage.

Spotlights i have installed into a bathroom ceiling have got very hot and melted the plastic ceiling. Is there a way of them not being so hot, ie low voltage, apart from using LED as these dont give out enough light???

TN-S, 16mm tails & 60A Cut out

If a Copper Water Supply is bonded with 6mm earth within 600mm of stop cock, is it required to be upgraded to 10mm before any electrical work is carried out or is 6mm sufficient???

Does a Jacuzzi/Spa Bath need to be supplied by a RCD? Or is it ok if powered from FSU from outside the Bathroom as its fixed equipment?

ok cheers lads

When taking off the distribution board cover to do testing, the busbar is exposed where there are no MCBs. Is this dangerous?, as the board should be isolated if removing the cover, so the busbar would not be live! Would rating on a PIR would it be? a) 1 - as it could be dangerous b) 2 - as...

but is that to regs?

If i fan has a timer on it, it needs an 3 pole iso switch fitting outside zones right? But what if fan is on its own independently run switch, can it just be run from a normal 10A pullcord?

My brother has an acer laptop thats about 2 yrs old. He wants a graphics card so he can play games that require it. Can anyone point me to somewhere were i can buy him a graphics card that'll slot in and stay inside his laptop?