isolation | Page 10

isolation

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  1. T

    Submain with no isolation

    Hi guys, Im doing an eicr on a commercial site (offices) and have found 2 3phase db's fed strait from the main intake busbar. 1 run is only 2metres clipped direct armoured 35mm 4c And 1 is 8m clipped direct above ceiling tiles armoured 25mm 4c Am i right in saying they need a fused isolator...
  2. B

    safe isolation

    Hi all, I ran out of time and patience a few days ago so used my very own unsafe isolation procedure, and then made sure everyone knew what id done! Hope it catches on, all you need is a permanent marker! I am of course joking! Took over a job from another firm after it had been stripped out...
  3. S

    safe isolation procedure

    I'm really struggling to find any decent information on this subject could any of you suggest a step by step guide I've seen so many variations of it don't know which one to believe ? Many thanks
  4. S

    isolation where circuit serves one item of equipment

    Installing under sink water heaters. Each is on its own circuit and could be isolated for maintenance at the consumer unit. Do i still need to provide local isolation e.g a 45 amp dp switch ?
  5. S

    Localised Isolation regs.

    Where in the BGB or OSG should I be looking for the regs on local isolation requirements Installing under sink water heaters.
  6. S

    Bathroom fan isolation

    Without digging out my O.S.G am I right in thinking no triple pole isolation switch is required if there is a window in the bathroom thus lighting circuit can be isolated for fan maintainance.
  7. X

    cooker isolation

    I've got to quote for 4 x single phase ovens to be connected to a single isolation point then run back to a single phase db, assumed each oven/ hob is 40a max (no spec yet) any one done this before? What isolator would you suggest I use (200a?) and mcb at db ? Cable size would be >25mm!!
  8. R

    AM2 exam Section C1 (Fault diagnosis and safe isolation of circuits)

    Hi there, I have my AM2 exam coming up soon and i last time failed on section C1, That is the section where you are required to isolate a single circuit (3x) and prove it is dead and safe to work on. I know to turn off the circuit breaker and lock off and follow safe isolation, but when i am...
  9. B

    PV Array Isolation

    Would appreciate advice and opinions from MCS Installers on the following: Existing PV System on/in a domestic property that is now being fully refurbished and extended. DC isolator, Inverter, Generation Meter and AC Isolator board mounted on what is now a garage wall, but will be an internal...
  10. C

    Whats needed to just replace sockets?

    Hi there, I'm looking into setting up a business which will be working in peoples properties. Part of the work that i will need to undertake is the removal of wall sockets and replacement on new ones and maybe the same with light switches. What qualifcations / certificates will i need to...
  11. P

    isolation of wall mounted heaters

    Wall mounted 3kW heaters. Is isolation by plug and socket acceptable? Peter
  12. M

    No isolation

    Hi guys Today i went to look at a communal light to test, and found that the light was wired from the dno fuse carrier with a 2.5mm twin and earth to the light with no isolation but the 6amp fuse in the carrier, my question is, is this ok as i cant find anything in the bgb that states otherwise...
  13. R

    Under Counter Fridge, Washing Machine Isolation

    Quick question got to get my six posts ,If double socket is used under counter can that satisfy regulations as isolation point or is a single pole fused switch also needed . got a tenner on it so need to know thanks for all welcomes
  14. E

    Isolation of shower/water heater

    Hi All, Wondering if someone could clarify/advise on the following. Firstly to clear up the requirements of isolator requirements for an electric shower, inside/outside the room, distance from shower etc? Another scenario, an instantaneous water heater is being used to feed basin and shower...
  15. S

    Showers

    Where in the regs does it state that an electric shower requires individual dp isolation, ie a 50A pullcord. The circuit is protected by DP 30mA 63A RCD and 40A SP MCB at the main board. Reason for asking, i fitted new CU (due to fire damage) and done away with the separate RCD that had been...

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