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difference

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  1. J

    Difference Between Electricians Mate and Electrical Improver

    I am probably going to ask the silliest question on the forum but hey here goes. What is electric, No seriously i've just finished college level 3 2330, i am also 17th edition qualified have never been on a building site, so other than in the classroom at college i am a total novice in the...
  2. silver surfer

    RCBO operating times

    Testing a job yesterday and realised a couple of things, during the RCBO 1n and 5n tests in a lot of cases the 5n value was actually slightly higher than the 1n value,eg 1n=28.2ms 5n=28.7ms (?). Doesnt seem right that multiplying the test current x5 would have a slower tripping time (although...
  3. M

    Shower choice

    Hi Guys just a bit of advice please,can anyone recommend a decent shower, whats the difference between a 8.5kw shower and say a 10.5kw,would you get a better flow from the 10.5kw,or doesnt it work like that could someone please explain. Its going to be wired in 10mm cable with a rcbo...
  4. B

    Is there any difference in inspecting and testing a school, to a domestic install?

    Hi can anyone give me any infomation pointers in regards to inspecting and testing a school.
  5. B

    Star/Delta Line/Phase Voltage/Currents

    Hello, Really struggling to get my head round the above can anybody please explain (in easy terms if possible) the difference between line and phase voltage? Star connections with Balanced load relationship to each other IL=IP Delta Ul=UP? My head is mince............... Thanks
  6. B

    difference between 2391-10 and 2391-20

    as above really. what is the difference between city and guilds 2391-10 and 2391-20? thanks Andrew
  7. P

    Whats the difference between Domestic , Commercial and Industrial.?

    When it comes to Electrical work.
  8. C

    whats the difference between amps/current and watts/power

    whats the difference between amps/current and watts/power
  9. DaveyD

    Megger MFR1552/E ? What's with the E ?

    Hi Looking at this on fleabay Megger MFT1552/E Multifunction Terter on eBay (end time 04-Mar-11 18:49:50 GMT) Any megger men know what the /E is after the model number? TIA Kind Regards David Looks like its not UK? If so is that a problem?
  10. S

    Whats the difference between an Interview and a Formal Discussion?

    I sent an speculative application out earlier this week to a local contractor, who have offered me a formall discussion about joining their company. Fantastic news :) but is there any difference between an interview and formal discussion?
  11. B

    difference between 230v and 12v downlights?

    dear all, sorry this must be a silly question, i am going to install some downlights for a customer, i found 12v downlight are nearly double the price of 230v ones, 12v is safer surely when you change the bulbs, but is there any other advantage? i dont think 12v ones last longer because i...
  12. J

    difference in generation

    Two installs 150m apart same size same orientation, one slight shading, approx 50% difference between the two, only on the days with very low light levels did shading install do better. Is it all down to shading ??
  13. S

    Difference between spilt load and dual RCD?

    As the title - what is the difference? I plan on replacing my CCU (MK Sentry) with a dual RCD and see spilt load mentioned but am not 100% clear on the difference. Additionally... I currently have 2x lights, 2x sockets and 1x cooker circuit on there. The 2x sockets are on the single RCD...
  14. gazzamikes

    Difference between customer generations!

    has anyone else noticed this? the older generations are lot better and thankful than the younger ones? i'm only 22 myself and my apprentice is 17, and we've noticed a huge different in the ages. even got to a point we've removed ourselves from a local site recently because the 28 yr olds were...
  15. T

    The difference between these 2 RCBO's

    Can anyone tell me the difference between these 2.. Hager AD110 1 Pole 32A Type B 6kA 30mA AC RCBO Hager ADN132 1 Pole 32A Type B 6kA 30mA AC RCBO Thanks
  16. P

    RCD trip with a difference!

    Was at a relative's house (big and old) and they said they sometimes flicked a particular light switch and it caused the CU to trip. Said i would take a quick look! It turns out it was a split load board about 6 years old with one rcd. All the light circuits were on the non rcd side and when...
  17. E

    Power strip vs 3-way adapter - difference for the outlet

    Hi all, I am not a professional electrician but I hope that some of you here might be able to shed light on a question. vs Basically, is there really a difference between the "pressure" on the socket if you use a 3-way adapter stuck straight into the plug (without a cord) or a typical...
  18. E

    Code 2 or 4 it's a big difference

    Hi all Have just got my foot in the door with an estate agents in bromley after a recommendation from a past customer, I was call to quote for work after a periodic inspection. There were a few things that I'm not 100% on and could do with a bit of help, They have put a code two...
  19. B

    Difference between Full and Defined Scope

    Hi Anyone know what the difference between Part P Full and Part P Defined scopes are? Thanks buzz
  20. T

    Fluke 1653b, 1651, 1651b

    What is the difference between the fluke 1653b and 1651b and is it worth 200 quid also does anybody know the difference between 1651 and 1651b . :confused:

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