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French Colour Code 0.25mm² Violet 0.5mm² White 0.75mm² Blue 1.0mm² Red 1.5mm² Black 2.5mm² Grey 4.0mm² Orange 6.0mm² Green 10.0mm² Brown 16.0mm² Ivory 25.0mm² Black 35.0mm² Red German Colour Code 0.25mm² Light Blue 0.5mm² Orange 0.75mm² White 1.0mm² Yellow 1.5mm² Red...

All sounds a bit dramatic. Can you post a photo so we can see the extent of the hole and the cables? I am taking it you mean just the meter tails rather than all the final circuit cables?

Strain relief and abrasion resistance make it good for applications where it will be hanging from a socket for example, or as extension leads.

PNB is a variation of TNS which is used when only one customer is supplied from the transformer. The neutral-earth link instead of being at the DNO fusepanel and connected to the LV substation earthing system, is connected to the customers means of earthing at the MET.

Copper equivalents - http://www.earthingnuts.co.uk/pdf/pvc_xlpe.pdf

Add your R1+R2 measurement to your Ze measurement. Zs=Ze+R1+R2

Not according to Guidance Note 8... :wink:

Even if the armour isn't used as the cpc, it should still be earthed because, as Spark 123 says, it should be treated as an exposed conductive part in the same way that it is required to earth the braid on an sy cable.

The switch contact will have a rating on it, some are only 10A. But that aside, an emergency stop circuit should incorporate a contactor so that pressing the e stop will drop the contactor out and resetting the e stop will not power the contactor up again unless the start button is also pressed...

Running cables through a distribution board where they don't belong will cause a lot of grief in the long run. I had to change out the top board where there were two boards bushed together vertically. All the singles entered from a piece of trunking above the first board and the cables for the...

On a similar note, http://cgi.ebay.co.uk/Tacima-Hi-Fi-System-Screened-Mains-Cable-13amp-3mtr_W0QQitemZ200286133694QQcmdZViewItemQQptZUK_VideoGames_VideoGameAccessories_VideoGameAccessories_JN?hash=item200286133694&_trksid=p3286.c0.m14&_trkparms=72:1301|66:2|65:12|39:1|240:1318 I...

Weidmuller PZ6. These are the ultimate for smaller sizes (0.25 to 6mm in one jaw size, no having to aim for the right hole) I just bought an unbranded pair which do 6, 10 and 16mm from Beal (workshop supplies) which are remarkably good and cost just £14.50. http://www.beal.org.uk/...

15A is 15A regardless of voltage

Legal requirement as of april last year to hold a city and guilds or CITB Safe Handling of Regrigerants certificate. http://www.ior.org.uk/ior_/images/pdf/serv%20matters%209-%20ref%20assessments.pdf

Not sure, it was Neweyand Eyre that sprung to mind. http://www.neweyandeyre.co.uk/Branch-Directory.php

www.doepke.co.uk We've had stuff direct in the past but any decent wholesaler should be able to get them for you.

What if the garage is connected to the house (built on the end) with a concrete floor? It is conceivable that a garage built on the end of a house could actully be further away from the MET than a detatched garage, depending on the loction of the incoming supply. Would you then regard the...

Unearthed DC power circuit new colours Brown and Grey Negative earthed DC power circuit Brown and Blue