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Hi Gordy, have a look at the NICEIC guide to the "Domestic Periodic Inspection, Testing and Reporting" book, I bought mine a while back from WHSmiths online, do a search for NICEIC INSPECTION AND TESTING Books and you will find it, it retails at

Hi Soulman, cable calcs sequence (1) Ib = W/V = 1000/230 = 4.34 Amps (2) In = BS 3036 5 Amps (3) Ref Method = clipped direct etc, has a bearing on the c/c/c of the cable later on (4) Correction Factors = BS 3036 = 0.725 (5) It = In/CF's = 5/0.725 = 6.89 Amps (6) Iz = Min of 6.89 Amps C/C/C...

cheers jonny, great post well done for passing and sharing info, (MEERKAT) :)

Hi Robinson, A fuse switch is generally found at the start of an industrial/commercial system, the fuse sits on a carriage and the whole carriage is thrown in or out by the operation of the switch itself. With a switch fuse the fuse remains in place and a connector makes or breaks the supply...

a. 6000/230 =26 A Correct b. from table 4a1 method 3. (here i would normally look on page 259 in my regs book, but i cant find method 3 or find the table in my on site guide? whats it on about? Pge 261 BRB 7671 REF METHOD B c.32A ( i chose a 30 A, why have they chose 32) Pge 49 Type C (BSEN...

Hi Lainge the formula for single phase power dissipated is V x I x PF I = V/R or as in this case Z PF = R/Z Answer = 6400Watts V squared divided by R is the total power, not the power dissipated if you divide your answer (8000) by 100 and times it by 80 you will get (6400) this is a good...

Hi 2Old, formula

Hi Welshie, what wash cycle was used? if it was a woollens wash cycle you will find there is no spin cycle within that programme, this is to protect the woollen items from the high torque of the spin cycle, some people remove woolens at that point and then dry. I may be barking up the wrong tree...

thanks Andy, wasnt sure, I am in my third year at college and its stuff like this they should be teaching us, cheers once again (MEERKAT) ;)

Hi guy's, I have been asked to modify a garage lighting circuit by a friend to include flourescent tubes, I havent seen the garage yet, but think it may well be protected by a 5 amp BS 3036 fuse, and fed by 1.0mm t+e cable. on a TN-S system. I would like some advice on a suitable fuse type to...

Hi Zeespark, this is done intentionally as it mimics the test rig at college, I also wanted to get into the habit of testing older premises that may have MET's fitted. This is taught at college during the 2392, they want to make sure you understand which conductor is the main earthing conductor...

Hi Soulman, crocs are just from a basic DIY stall from the indoor market in Darlington, you can get them from anywhere like that, I have crimped them onto some 2.5mm singles, they come in really handy when testing rings etc, we use them at college on the 2392 course, save a whole lot of time...

Hi Blackberry/soulman, I am from Darlington doing my level 3 2330 at Stockton Riverside College, here is the Rig I put together. I like the inclusion of the fan circuit, might have to add this to mine somehow, cheers guy's see you later, (MEERKAT) :D

Had a similar question at college how many lighting points can a 5Amp fuse and a 6Amp fuse feed, formula is P over V X I transform this into V X I = P 230 x 5 = 1150W, so 11 x 100W lamps, 230 x 6 = 1380W, so 13 x 100W lamps, you must assume that the homeowner at some point may change all...

Hi eastupper73, got my 206 on the 7th June, I believe the dead testing comprises of (1) Continuity of CPC'S, (2) Insulation resistance test, (3) Polarity, as system isnt yet commissioned, ie connected to live incoming tails, some tests can be done from tail ends prior to connection. :) (Meerkat)

I think you made a typo specs, I am sure you meant 600mm cheers (MEERKAT) ;)

Hi Foxmeister, :Welcome: to the forum (MEERKAT) :)

Hi Doc, how about 17th edition simplified, 17th edition made interesting, The doctored version of the 17th edition, understanding the Big Red Book, 17th edition doctored, 17th edition cured, Doctors big red book, The doctor and the big red book, The 17th edition Doctor First Fix will...

Hi Liam, Welcome to the forum mate, there are a lot of guy's on here doing the same college work as you, dont be afraid to ask anything on here, help is at hand, just ask, (MEERKAT) :)

Hi ADS, thanks for the reply, the Robin tester belongs to the college and is used for most testing courses, I really think we are starting to split hairs over this live supply issue. As I said earlier the important thing is that live supply is confirmed before energising the system, to prevent...