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Thanks, thought i was right but just wanted to bee 100%

Hi, i am just doing some revision on three phase and ive come across a question which i would just like some clarification on the correct answer please Question - A balance star - connected three phase load of 10ohms per phase is supplied from a 400V 50 Hz mains supply at unity power...

So i guess 2382 is my next step then :) anyone know if i have to have the level 3 nvq to do the 2382 or 2391-10 ??

Hi, was wondering if anyone can clear this up for me, i am currently in my 3rd year of college (nights) training to become an electrician on the course - City & Guilds 2330 Level 3 Certificate electrotechnical technology My next course i was thinking of doing was the - City & Guilds...

Noted, thank you very much, I had it all along then doubted myself by overcomplicating it :/

50 ??

Ok thanks so Z = 50 not 50squared ??

Hi, just a quick question, i am just revision through some of my notes and just need some clarification. The question : A coil has a resistance of 30 ohms and a reactance of 40 ohms when connected to a 250V supply calculate the Impedance and current. Ok so 302 + 402 = 502 for my impedance...

Thanks :) as i was typing my last message it turned off lol 40 ish minutes it took :/ adjusted the sensitivity and all is good :) thanks again

Thanks for the quick replies, i waited around 10 minutes, i do have a multi meter.

Good afternoon, Sorry to drag this up again, however i have this afternoon got around to getting some 3 core & Earth and rewired my light fitting and PIR, still i seem to have a problem, the light is permantly on :( as this is my first ever PIR i am unsure whether now i have a faulty PIR...

Thanks for the quick reply, so what your saying is PIR's require a NEUTRAL unlike most 1 Way/Gang switches ?

Good Afternoon, Finger crossed someone can shed a little light on my problem as i am completely miffed and out of ideas :( Basically i have a single 1 way light fitting in my bathroom operated with a simple pull cord, i have replaced the pull cord with a Occupancy Sensor 360 degree PIR Light...