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  1. johnboy6083

    Electrical Qualifications

    there seems to be a lot of confusion regarding electrical qualifications. I hope i can help a little. C&G courses: 2360. this is also known as part 1&2, course A&B ect, This used to be the industry standard course for electricians. It was an all encompassing course that included paractical...
  2. johnboy6083

    Various old gear i see!

    Here are a few photos of some of the old equipment i get to see about. I see a lot more, but often dont take photos.
  3. johnboy6083

    Splitting main bonding

    Hi ladies and Gents. At work we're having discussions upon the provision of main bonding to remote steel kiosks that have 2 supplies to them. One is for the pump, which is usually the largets of the 2 supplies, the other is to a small DB for lighting and power. Our job is the installation of...
  4. johnboy6083

    by gosh i think hes got it: The voice of us all!!

    Please take some time to read through this. It is written by Widdler's father. I found it on a governement website.. It certainly speaks my mind. Written evidence submitted by Phil WattsI am writing in response to your invitation for submissions from interested parties on the adequacy of the...
  5. johnboy6083

    Click rose/ Luminare Support Coupler design guide.

    Ive just found this guide, whilst doing research for my 2391-20 project. Very handy guide.
  6. johnboy6083

    Crap Panel Manufacturers!

    Hi all, Today i have been working on a small pumping station. One of my jobs was to look at the discrimination between two sets of fuses. I open up both sections of the panels, and have a look. I see whats happened and decide on my course of action. (63A fuses feeding 100A fuses, so the second...
  7. johnboy6083

    110v sockets

    hi ladies and gents. Im currently in the process of fitting out a workshop for the firm i work for. I have a 3.5KVA 415/110v transformer, which feeds a 110v DB (converted 1ph DB). The question i have is regarding cable sizing, and grouping in particular. There are going to be 6 110V sockets...
    • johnboy6083
    • Thread
    • 110v aus electricians' talk socket sockets
    • Replies: 2
    • Forum: Australia
  8. johnboy6083

    E-stops

    Ive been on 2 different jobs in the last few days that have stand by generators. one genny has to be manually started, and the other has an ATS. There is one E stop inside the building on the main MCC, and multiple e-stops inside the generator container itself. The problem is that the E-stops...
  9. johnboy6083

    lighting design

    hi fellas, ive been trying to learn how to design lighting, as its an area i have almost no knowledge in, other than installing the fittings ect. Im trying to decipher ho to get UF factors, and MF factors, in order to calculate how many fittings are required to illuminate the fictional fire...
  10. johnboy6083

    thermal withstand

    Hi all, Im bookedon the 2391-2 soon, and im reading through the course notes that i got from the kind gents on here, and workinmg through the examples. Im trying to work outif the cable will withstand the thermal shock of a short circuit. If i were to work out the PSCC, and then apply this...
  11. johnboy6083

    Please criticise!

    Hi lads, ive just drawn a simple starter for a 1ph pump. Can you please view this, and criticise it, so that i may learn? There is 1 glaring error, which i know about, and didnt have any tip-ex to erase. I also know that fuses are not shown, and thatbthe 24V transformer is not shown. Thanks...
  12. johnboy6083

    Electrical design

    Hi ladies and gents, Ive booked myself on the 2391-2, in November. This means that between now and then is massive revison time. Has anybody got any old question papers, resources, project papers, or anything else that will aid me on passing this course? thankyou in advance, John
    • johnboy6083
    • Thread
    • aus design electric electrical electricians' talk
    • Replies: 19
    • Forum: Australia
  13. johnboy6083

    Please support electricians

    Hi ladies and gents, A week or so ago, i set up an e-petition, to highlight the large electrical companies that constantly strive to take away our terms and conditions of employment. They want a hire and fire workforce, who bend to their whims. They dont want to pay us holiday pay or sick pay...
    • johnboy6083
    • Thread
    • aus electric electrical electricians electricians' talk please support
    • Replies: 21
    • Forum: Australia
  14. johnboy6083

    swimming at work.

    last night, i had a phonecall from an engineer at work. "John can you and your mate go and take a look at a pump thats failed?" off we go. The pumps are sat in an underground plant room, that has no roof yet. first thing i do (after isolating, and locking off) is disconnect the couplings from...
  15. johnboy6083

    E-petitions and PART P

    Hi gents. for those of you that are not familiar with e-petitions, they aim to generate public fueled debate in the house of commons, in order to influenmce policy and legislation. In short, it allows us to have our voices heard. A petition will be debate in the house of commons once it reaches...
  16. johnboy6083

    Electrical theory

    heres a link to a page i justfound, with a lot of useful theory, proably more suited to those studying ONC/HNC ect, but useful none the less Electrical Knowhow | Technical Publications | Schneider Electric UK? cheers, John
  17. johnboy6083

    CPC size.

    hi gents. ive got a possible problem at work. ive wired a supply from a switchfuse to a new VSD panel. the cable is a 4c 150mm2. from the VSD there is a 3c 150mm2 to a 60kW pump, standard induction motor. ive pulled in the cables as per the cable schedule, and the CPC is a 25mm2 single core...
  18. johnboy6083

    Some old interesting stuff!

    Heres some of the old gear that i get to see, and sometimes i have to rip it out and replace. Solid, dependable and ugly, but its craftsmanship at its best!
  19. johnboy6083

    Application of E stops

    Hi gents. Recently io was involved with a booster pump upgrade for a subcontractor of a water company. My involvement was the electrical installation, including instrumentation. this pic is of the setup. pump 1 to the left and pump 2 to the right my question is about the e-stops. the two...
  20. johnboy6083

    6-25mm crimper

    does anybody know of anywhere i can get a cheapish, but good quality short handled 6-25mm crimper? its for uninsulated lugs, cos im sick of having to use my big ones for small motors and bonding. sledgehammer to crack a nut, and all that. ive looked about online, but keep geting these...

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