mechanical

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  1. S

    BAE Systems is recruiting Mechanical Engineers - Propulsion in UK

    For a Mechanical Engineer, challenges don’t come any bigger than this… In this role you’ll be responsible for the key capability of a nuclear submarine – the secondary propulsion plant that powers and propels the platform. Key technologies such as the Electric Cruise Propulsion, Main...
    • Swanemi
    • Thread
    • courses degrees engineer engineering engineers mechanical salary students systems
    • Replies: 0
    • Forum: Electrical Engineering Chat
  2. M

    electical and mechanical questions

    okay ill try this a different way as my first way wasn't considered acceptable. Hi everyone I have recently joined this forum hope...
  3. N

    Mechanical Protection for cellar where kegs are delivered.

    Doing a job where the cables to the pumps used to buried in concrete. Don't ask me why but I am there to fix it. Cable has a fault and need to replace. A inch channel of the brick work removed is now there so am going to clip the cables into the channel. But as it is in the cellar and a small...
  4. G

    mechanical protection for cables in domestic dwellings

    with regards to rewires is mechanical protection required , istall obviously has rcd protection so i believe not and also doesnt require to be 50mm in depth from surface ??
    • glasgospark
    • Thread
    • cables domestic mechanical protection required
    • Replies: 14
    • Forum: UK Electrical Forum
  5. M

    New Zealand mechanical protection ?

    This might come across as a stupid question but im only a trainee and still learning. Do you need to mechanicly protect cable clipped direct in a commercial building but its protected by 30ma RCD, the cable is flex and the circuits that have been installed are fixed power outlets on 13a plug ...
  6. The Solar King

    Flow Charting and Work Planning

    As it is Friday, the attached may be of interest. This dates from my time at what was then British Leyland in the late '70s. Having been taught this kind of process mapping in Operational Services, it appeared on my desk during a particularly difficult project aimed at work simplification and...
  7. T

    "Multi-skilled" maintenence departments, whats your take?

    Hi again guys, been a while since i last posted on here since ive had alot on :grin:. just a quickie really, what is everyone's take on this 'multiskilling' malarky that seems to have wormed its way into our maintenence departments? i mean i get it, train 1 guy to be able to cover both a...
    • theroadblock
    • Thread
    • don't electrical learn led maintenance mechanical whats
    • Replies: 23
    • Forum: UK Electrical Forum
  8. W

    Time delayed RCD to protect tails entering a metalclad CU

    Hi Guys, A Metalcad CU is being installed on a TT system in a farm garage. Chances arew things will be rested up against the walls so a Metalclad CU has been chosen to give it protection. All circuits will be protected by 30mA RCD / RCBO. From research it seems a 100mA time delayed RCD will be...
    • wadhamfarm
    • Thread
    • delayed enclosure mechanical protect protection rcd tails time
    • Replies: 2
    • Forum: UK Electrical Forum
  9. P

    Mechanical Protection of Main Earth

    Hi Guys I have to install an 80 Amp supply to a new CU in a Church extension 22 metres from the main Dis Board. The route follows the back of the church generally hidden under pews all surface mounted. I do have to feed it through an 800mm stone wall. I could use a 3 core 16sqmm SWA XLPE...
    • Piratepete
    • Thread
    • earth main mechanical protection
    • Replies: 9
    • Forum: UK Electrical Forum
  10. i=p/u

    mechanical ventilation

    is any of you guys doing bpec ventalition course as is a requirement... is this suitable with the role you already do???? inside info:punk:
  11. E

    Mechanical and Electrical

    Hi Everyone, I want to get in to Mechanical and Electrical and am finding it pretty hard in finding a job with a company who wants to train up a normal domestic and commercial experienced Electrician with 2391. I was looking at doing a HNC/HND in electrical engineering to make a firm take...
  12. E

    Cables and trunking

    I was always led to believe throughout my time as a spark that when installing T+E cables in airing cupboards and cupboards under the stairs etc that are generally fairly inaccessible, you have to put the cables in PVC trunking (or similar) for extra mechanical protection, you can't just clip...
    • ed-ectrician
    • Thread
    • cables direct mechanical protection things trunking
    • Replies: 12
    • Forum: UK Electrical Forum
  13. D Skelton

    Mechanical protection

    Just out of interest, how many steel capping lengths stacked on top of each other would you consider to be suitable to provide mechanical protection to switch drops on non-RCD protected lighting circuits? I've always been lead to believe that 3mm of steel is thick enough to be defined as...
  14. B

    Anything suitable for use as mechanical protection for swa run on the ground?

    I was at a customer's last week and he asked me to repair some SWA that had been attacked with a spade. The trouble being that is loads of the stuff running round his garden, just sitting on the ground. Some can be either buried properly or lifted onto a fence or wall but there is one section...
    • brman
    • Thread
    • anything ground mechanical protection suitable swa
    • Replies: 12
    • Forum: UK Electrical Forum
  15. C

    Isolation switch for boiler supply?

    Been asked to look at a house on a small development completed about 5 years ago. Really messy situation involving builders and houses having no completion certificates or even planning permission in one case. Gas central heating is installed but the boiler is wired up straight to a 6 amp...
    • cadspark
    • Thread
    • boiler isolation mechanical supply switch verdana
    • Replies: 45
    • Forum: UK Electrical Forum
  16. J

    Protective earth bonding run externally, no mechanical protection

    A few years back I carried out a pre work survey and discovered a contractor had installed the main protective earth bonds clipped direct externally. When I questionned him, he assured me he was using a UV tolerant and weather-friendly cable that therefore complied. It was a brown cable which...
  17. 1Justin

    Hiding meter tails in walls, sufficient mechanical protection

    522.6.101(iii) requires trunking 50x50 to BS EN 50085-2-1 . But mechanical protection (iv) : We agree that mechanical protection is "difficult to provide" and we are advised here of 3 or even 5mm steel. The lid of the BS EN 50085-2-1 trunking is not this thick, yet that trunking could be...
    • 1Justin
    • Thread
    • aus mechanical meter meter tails protection tails walls
    • Replies: 19
    • Forum: Australia
  18. 1Justin

    switching off for mechanical maintenance? - PIR lighting/extractor

    Extractor fan on a domestic bathroom lighting. (There is no secondary switch in bathroom ceiling. Lighting and extractor fan both on PIR sensor right now). 537.3.2 "Where practicable, a device for switching off for mechanical maintenance shall be inserted in the main supply circuit". It's not...
    • 1Justin
    • Thread
    • aus lighting maintenance mechanical off pir switch switching
    • Replies: 2
    • Forum: Australia
  19. S

    Mechanical Protection vs RCD Requirements

    Hi, being asked to look at an existing commercial setup where 3 large rooms are rented out to different commercial tenants (picture rooms 1, 2 and 3 adjacent and in order left to right). The point of supply is inside room 1 and is single phase with a main board. Room 1 is occupied by a tenant...
    • SW1970
    • Thread
    • cable canada installation mechanical protection rcd requirements tenant
    • Replies: 28
    • Forum: Canada
  20. E

    Flexible conduit with mechanical protection

    Hi all, I have a job coming up, installing some pillar lights on a driveway that is being re-laid. My first thought was swa and wiska boxes as have done with a few garden projects), however... The lights will obviously be fitted flush to the floor so no place for my boxes and the internal...
    • elementps
    • Thread
    • aus cable conduit flexible mechanical metal protection stuff
    • Replies: 6
    • Forum: Australia

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