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Some useful answers here http://www.esc.org.uk/forum/forum_ed_thread.html ...and as usual at IET as many people disagree & agree with each point :-) ...main switch one currently upsetting many.

Thanks securespark re definition. Coles comments are interesting. MEB & validation of origin Ze etc are a requirement of ESQW and long known by anyone competent to be job #1 before you do anything. The problem is the regulations are not prescriptive. That creates an opportunity for...

Practical comment. If you extend a f.c. in a bathroom the cable might predate 13th wiring regs re zones or even lack a CPC. The problem with the former was realised with a cable being drilled whilst stood in a cast-iron bath. It is unfortunate that we have regs & part p which allegedly try...

> Good old VIR, suprisingly enough if it hasn't been > exposed to air then it is usually still quite sound. Indeed - sadly that caused someone to put it back in service in 1984. By the mid 1990s it did however remove itself from service! The giveaway is when sockets progressively walk down...

Did the the NICEIC himself do the work or subby it and act as QA? - SWA armour should be earthed correctly via a gland at supply-end - Glands outside must be CW, inside you can use BW (saves little TBH) If any other work was done, it might be worth checking further. For example whether...

Asbestos backing pads in the fuse carriers? If it is chrysotile, it is not so bad if not abraded / cut / broken etc. I suspect I know why you want to eyeball stuff - as a GOOD spark :-) - Cotton insulated rubber wiring? - IR tests are perfect on bare copper with air insulation :-)...

Why do you say maximum demand well over 60A? Has the BS1361 fuse ever blown? BS88 fitted? 1 - Diversity calculations help - except shower, immersion, storage heaters 2 - DNO generally will only u/g to 80A rather than 100A these days 3 - If this is a flat there may be mitigating...

*BUY* 10m of CY?! You should be PAYING US. We have saved you... - £5 on a gold-plated C7 plug (weep) - £10 on a Clipsal IP66 plug or £15 on the MK thing (which wobble in sockets) - £10 on a WattNoKYGate plug (weep) - £5 on adhesive heatshrink - £5 on plasters from burning yourself...

I think this is a gross simplication. The real solution is to build a faraday cage around the room with the hifi. BTW, the places that do the actual audio recording? - Their power supply just has a built-in mains filter - Their signal cables are just decent Belden BTW, the places that...

That 2.5mm CY into IEC C7 picture? Insane, seriously. - They have got it together by using *adhesive* heatshrink - That creates 1) a highly rigid assembly 2) a very long assembly - Mechanically the C7 receptacle is not designed for it - Electrically it is just not acceptable Buy a good...

They use IEC inlets because... 1) it allows the same product for many markets, just a different power cord 2) it allows a power cord with a prefitted plug since many people can't actually fit a plug well / safely / at-all Remember that guy with the electric boiler, melting cables...

How is heatshrink going to provide strain relief? They mean abrasion resistance from hacking too big a cable to fit! Incidentally re gold plated connector contacts. - Gold to Gold = Good --- does not oxidise - Tin to Tin = Good --- oxidation excludes oxygen from contacts Gold plating...

Spark123, also known as Phwooarrrghhhh :-)) Far nicer than CY. Lovely flexibility. Appropriate dark matt finish for audiophile applications. Also comes in 16mm 3c, so sufficient for even the most discerning listener. Think they do 400mm 1c, so easy to use 100m to biwire your speakers...

> I may need to slightly enlarge the entry and provide some strength for the flex. and... > create some leads with fig8 c7 and... > Main thing being - its all safe and secure! No. You are going to struggle with all of this due to cable CSA (core dia). 1. Cancel or Ebay the...

Black PET braid... sigh... - You would not run the PET braid into the plugs - Instead use a small ring of adhesive heatshrink to clean the ends off Using too long a length of adhesive heatshrink will make the cable rigid. Since no-one can see the CY, I would PET over 1.5mm H07RNF :-)...

Outer diameter of Lapp CY 3c 2.5mm is 10.3mm... - H07RNF 1.5mm is 10.3mm o.d. -- ok fitment into normal plug - H07RNF 2.5mm is 12.3mm o.d. -- difficult to fit into normal plug The reason H07 is larger diameter is 07 = 500/700V rated re insulation thickness whereas your CY is only BS6500...

1. I can find nothing re restricting direct connection to public mains. 2. Since CY braid is copper it probably passes the Adiabatic Calculation (for copper k = 115, for steel k = 46). If you are using a Clipsal IP66 plug... - Note the strain relief expects quite large outer diameter...

Correct, SY is steel braid, CY is copper braid. Would be interesting to do an adiabatic calculation... indeed perhaps someone might have done re choice of 2.5mm meaning larger braid CSA? Just checking some German Lapp docs for you re "not suitable for connection to the mains supply" or...

RF, none :-) - It is a mere 1.5 bricks (4-inch) above the block paving - It is a physically "lightweight box" re any mechanical damage However, as you imply - "it has lasted 13 years, it will last another". I think I may "Magic Gel" it re pressure washer risk. In those famous words "I...

CY cable consists of insulated conductors surrounded by bedding, braiding, outer sheath. CY cable braid is typically steel, 80% coverage. The cable is typically to VDE 0250 if I recall correctly. Problem #1 - Running the braid alongside insulated cores in a plug. It would be wise to at...