mechanical

  1. O

    Mechanical ventilation commisioning cert.

    I've fitted a couple of in-line fans in an office refurb which are for a toilet and a shower just like I have done many times in the past over the years. Because of the extensive refurb/alterations that have gone on there is a building inspector overseeing it and he has sent this to the main...
  2. N

    ideal combi mechanical timer

    anyone any experience of these ? moved house and boiler has mechanical timer ,ideal combi 30,heating comes on when switch set to permanant but with the clock set at the current time it doesnt seem to rotate there is also a thermostat in the hallway. are they prone to failure ? Thanks
  3. C

    Mechanical Services Estimator plumbing advice

    Mechanical Services Estimator Does anyone have a need for an estimator to price commercial mechanical & public health works on an ad hoc basis. Over 30 years experience with major national M & E contractors as well as smaller local contractors. Based near Staines but distance not really a...
    • Chico888
    • Thread
    • advice mechanical plumbing plumbing advice services
    • Replies: 0
    • Forum: Plumbers Forums
  4. woodster92

    Mechanical Protection for Tails between Meter Cupboards on outside wall

    Hello, what products are people using for suitable mechanical protection in compliance with regs for the following job? Existing Meter Cupboard recessed into outside wall adjacent to driveway on a domestic property with incoming Mains Supply, Meter and Tails. Requirement to add an additional...
  5. drewzh

    Do these internally exposed meter tails require mechanical protection?

    Hi, I was hoping someone with a little more insight might be able to shed some light on a potential issue I have, as I can't seem to find another example online where this specific question that has been answered. What you can see in the attached photograph is meter tails (single insulated +...
    • drewzh
    • Thread
    • ev charging exposed mechanical meter meter tails protection require safety tails these
    • Replies: 75
    • Forum: UK Electrical Forum
  6. P

    Replace my ancient Honeywell mechanical thermostat with a Honeywell T3R

    I would like to replace my ancient Honeywell mechanical thermostat with a Honeywell T3R PROGRAMMABLE THERMOSTAT I have three wires in the old thermostat. Please see the first three photos. 1 Red 3 Yellow 2 Blue are these 1 Live 3 Live return (Switched) 2 Neutral Could I configure it as in...
  7. B

    Solar Flexible steel conduit as mechanical protection

    Hello I’m new to the forum (posting on it anyway). I could do with some advice... Over the last 2 years I have been subcontracted (labour only) to commission solar PV systems. Often these are newbuild properties and when I get there the panels are already on and the DC cabling done. About...
  8. D

    Time delay RCD or Mechanical Protection

    Okay! So, I’m looking to plug a knowledge gap. The set up is a DB in a main dwelling and a second DB in an outbuilding. The supply from the main dwelling to the outbuilding is 16mm2 split concentric. It is buried in sealed ducting at 1500mm at the deepest point (under the lawn). It comes...
    • daavvee
    • Thread
    • buried delay mechanical protection rcd split con time time delay
    • Replies: 13
    • Forum: UK Electrical Forum
  9. F

    Need Help: Mechanical Chime Won't Ring After Transformer Replaced

    Hi. Here's some background info. I am located in the United States, and have had a Nest Hello video doorbell working perfectly for a couple of years. It's powered by a 16V 10va transformer. I also have a mechanical door chime that rings when someone presses the button on the Nest Hello. The...
    • ftresi
    • Thread
    • after chime doorbell help mechanical need help replaced ring transformer won't
    • Replies: 14
    • Forum: DIY Electrical Advice
  10. B

    UK Earthing a mechanical coin prepayment meter on a TT

    I'm a rusty 16th edition retired spark. At home I'm aiming to send power to my outbuilding for a couple of lights and one 13A socket. I have a few people that come informally & use my outbuilding to keep & look after their animals. They could do with some light to see by, and maybe the facility...
  11. B

    MVHR unit - condensate drain arrangement?

    I’ve purchased a single room unit to extract air from the bathroom, it will pass it through a heat exchanger and exhaust outside. In parallel, air is drawn from outside, through the heat exchanger and slightly warmed before vented through the ceiling of the landing/stairwell - there have been...
  12. W

    Mechanical protection for meter tails

    Does anyone know if there is a product for protecting mains tails in walls apart from conduit? In sure ive seen stainless steel capping or something similiar that can be earthed and is drill bit resistant?
  13. J

    Camélia a Mechanical calculation software download link

    Hello, I would like to download Camélia a Mechanical calculation software for overhead distribution lines. can someone have it's installation or link ??
    • jiforan
    • Thread
    • calculation distribution download electrical tools every hello installation lines mechanical overhead software someone
    • Replies: 1
    • Forum: Electrical Tools and Products
  14. F

    Ireland ET101 earth bonding - mechanical protection

    Good morning, I'm looking for answers to these two questions about Ireland ET101 standards, since I can't seem to find specific indication: - Should the metal frame of a plasterboard wall /drywall positioned inside a room of a building be earthed as a main equipotential bonding? - Wirings...
    • fab.elec
    • Thread
    • bonding earth ireland mechanical protection roi
    • Replies: 10
    • Forum: Ireland
  15. B

    Light Circuit incorporating WiFi switch and mechanical switch

    I'm a DIYer with some electrical knowledge. My questions relate to the attached diagram. Firstly, is the principle sound? Secondly, does the neutral at the feed end of the WiFi switch need to be connected to anything and, if so, where?
  16. A

    UK Help wiring a mechanical timer

    Hi all! I need help wiring my mechanical timer. I saw a similar thread but the cables are different. Thread My current installation: My new mechanical timer: The schematic for both wiring: (New at the top, current at the bottom) I will really appreciate some guidance on the correct set...
  17. K

    Disconnect, grounding and mechanical protection requirements when bringing power to a chicken coop...

    Hi, I want to bring 2 x 20A (@120V) to a chicken coop. It will be powered from my garage panel which will require 140' of cable. 85' in the garage along 2 walls, and 55' buried between the garage and the coop. I used a few voltage drop calculators and it looks like I will need a 6/3 to stay...
    • kreyszig
    • Thread
    • canada disconnect grounding mechanical power power to protection requirements when
    • Replies: 9
    • Forum: UK Electrical Forum
  18. linuxthefish

    UK Mechanical plug in timer with electric water cylinder on economy 7?

    I came across a small electric hot water heater under the sink with a moulded plug in my friend's rented flat. He's on economy 7, and wishes to use a mechanical plug in timer to ensure the water is only heated on night rate. The flat is rented so changing the socket to an FCU is out of the...
  19. J

    Mechanical Engineer and part time electrical installation course

    Hi All, Thanks for your time in advance. I'm currently working as a mechanical engineer, in which I did an apprenticeship years ago and achieved NVQ Level 3 (ONC). I'm not looking to change careers but would like to attend evening college classes in order to gain qualifications (possibly to...
    • Jeyre87
    • Thread
    • course courses degrees electrical electrical installation engineer engineering installation learning mechanical part salary students time
    • Replies: 1
    • Forum: Electrical Engineering Chat
  20. S

    Mechanical timer

    Hello. I got an old venner mechanical timer and need some advice. I need to connect it to a unit, how would one do that? It is a, b and c outputs. Wich to use? Thanks for help.
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