drops | Page 2

drops

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  1. H

    Steel trunking to Galv conduit drops

    Can you get any steel trunking with 20mm knockouts for Conduit drops? If not what's the best way to make the holes just a standard 20mm drill bit?
  2. M

    electrical reserve drops to 4%

    well well well, energy reserves are due to drop to 4% as coal fired stations have to be shut down due to EEC regulations on energy polution didn't see that one coming did we (err, yes actually!!) DECC say reserves are 'adequate'. but then they would! So what next? energy price rises? Massive...
  3. M

    what is under voltage trip?

    hi every one i wanna know that what is under voltage trip? your reply must appreciate thanks advance:goofy:
  4. tuckermot

    lathe and plaster --- Pulling cable drops---

    Hi all I am going to start rewiring a 1930,s house in 2 weeks time ,the upstairs dividing walls in the bedrooms are lathe and plaster .I am going to be pulling the upstairs lighting feed to all the points and dropping the switch drops before chasing as going to leave the house running as its...
  5. R

    Showing cable drops on building diagram.

    I am doing my D&V course and need a way to show where cables drop from the ceiling down to plug sockets etc. It is a standard 2D overhead diagram show the different rooms etc. Thanks :)
  6. W

    light switch drops next to door casings

    hi everybody,would anybody know if there is a specific distance the light switch needs to be away from the door case,looked in regs but cannot seem to find any info ,hope somebody can help many thanks
  7. N

    when the voltage drops the current increases and 110 volt transformers

    My apprentice asked me about this when a voltage drops the current increases so why can you use 110v on building sites so i though id share the answer for any one else who wants to know , the reason is the transformer , we know that a safe voltage is less than 50 volts so what the transformer...
  8. G

    Leaflet drops

    Hi lads, Work being as it is at the minute(i.e not done a thing since xmas) was thinking of getting some leaflets done and going round the local area with them. From reading this sub forum it seems a few of you have done this already, what do you think? good idea? bad idea? Also any tips on...
  9. D

    lighting breaker sizes

    Forgive me if im just being stupid...but the on site guide shows that a 1.5 mm cabe can carry a current of ...12a...or summat like that..cant remember now...... Why then do we protect lighting circuits with a 6a beaker ? ....or am just being dumb here..???:confused:
  10. W

    Designing a lighting system. Need some novice help cable and fuse sizing, volt drops.

    I am currently a final year control system design apprentice and have been assigned the task of designing a lighting system for a multi level platform. I have selected the bulk head lighting that I am going to use which is Petrel DN series Product data sheet is ...
  11. B

    1.5mm circuit 1mm switched drops

    Went to a job today ( domestic ) checking through the installation ( which has recently been rewired ) I noticed that the lighting was 1.5mm but the switch drops were 1mm anyone seen this before?

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