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It will be beside the window at the end of the bath in zone 2 which is also opposite the door which should give it a nice flow of air. Might have to increase the gap under the door so i need to ensure a rate of 0.07M3 per second That is almost impossible to get from under a a 2cm gap...

Greeting I'm looking to replace a bathroom fan but im not sure on which size, L: 2.35m W: 2.1m H: 2.3m which gives a volume of 11.4 CM Now from what i have read a bathroom with a shower is recommended 15-20 air changes per hour or a fan with 171M3H - 228 M3H Is this...

For one i dont think you are allowed to boost VM signal and seccond you can't use a standard freeview box with VM signal

Have you actually used the correct COAX cable to pipe VM signal around the House? I believe Webro HD100 is the only triple screened COAX that is suitable

Im currently living in a 1950s semi and we have terrible water Pressure and Flow around the house, Probably not really help by a share supply pipe. We are looking to refit the bathroom and was wondering if it would be beneficial to upgrade the current cold water pipe from 15 to 22mm and T off...

This could be down to having too stronger signal, before the pre DSO the signal on most transmitters where lower that post DSO you could try fitting an variable attenuator http://www.toolstation.com/shop/p86843 that could be fitted in the tv lead to see if this solve the problem if so...

This is the stuff you need it surpasses the virgin spec and available from ebay http://cdtronix.com/webro-hd100-triple-screened-foam-highest-quality-coax-cable-sky-approved-black-or-white Will the current signal have enough gain to provide all those outputs and will you know where to put...

I'm guessing that if the OP doesn't know the difference between cat 5 and cat 6 he most probably lacks the test equipments to ensure 1000Mbps so will have to install on the understanding of 100Mbps. Thank you for explaining unratified :wink:

layman's terms it is the amount of accepted crosstalk near and far end before data transmission falls down and needs to be resent

Well; Cat 5 is rated to 100Mbps Cat 5e is rated to 1000Mbps Cat 6 is rated to 1000Mbps with significantly lower NEXT and PSNEXT or possibly 10 Gbps over 37m where the chance of of alien interference is minimised Cat 6a is rated to 10Gbps Cat 7 is unratified to 40 Gbps and only available...

Go for 25mm then

I expect if you only have Red, Black and Earth ie Twin and Earth then the cable may already go back to a separate junction box. If so you might be able to remove the cable to the switch easily (depending on location)

Do you Really need to protect SWA at the house with an RCD?

I apologize for my miss spelling that should have read don't :( and was more of a question

OK i can accepted that if the cable was made to be in contact but the space is quite vast and the cable looks to hang, But wouldn't metal conduit be a better conductor. Now i do know the regs to the T but isn't they something about if certain amount of length of cable then you do have to...

Just been look at how some of my cables enter the back boxes, The cables are run in capping and are not clipped direct to the wall. When it comes to derating why is capping classes as clipped direct when it more resembles Conduit?

Yes it is very hard to belive

Im sure most sparks will let you do the donkey work of digging and laying the SWA as long as they can inspect it before you back fill

Also work out your maximum demand please as 2 possible 4 heaters on will only give you a 6mm possibly 10mm possibly 16mm cable. What else are you powering on those 6 sockets

Stop! Do not pass go do not collect £200 <Insert Part P windge here> You suggesting you may have a maximum demand of around 4-6 kw over the length of 40m without the sun bed Have you calculated the voltage drop over that distance bering in mind it has to be within 3% for a lighting...