Hi just typing in results for a minor works EIC. Feeding a 1mm TWE from spur unit with 3A fuse. The package automatically works out max Zs permitted but when i get to that box it says "invalid combination".
I put in BS 1363 fuse rated at 3Amps.
At the moment i have over written the package and...
hi
this installation was carried out in the 1995 ish
advice please on what code should be issused for a server room and also floor sockets (althought server room and floor room are on sepearate circuits) wired in 2.5 / 1.5 TW&E as radials with no high integrity earth i.e only one earth...
Hi I'm new so sorry if in wrong section, I have been asked to wire up a test rig, the customer wants to put power in for a test rig with 40 double sockets to test computers, till systems and kvrs anyone any recommendations on best way of doing it...
How to maintain LED display1. Keeping stably the power supply voltage ,And make sure grounding protection is good.
2. Do not use LED display in the bad natural conditions(for example:strong lighing day)
3. Somethings are banned ,for examples: The water,conductive metal are prohibited...
Last year in one particular client company- after the PAT tester had done their stuff, a couple of computers had fatal errors - is this normal and this must of happened teh year before but we never made the connection at that time.
I have now insisted that no further tests be done especially on...
hi
I have computer room so i need to re wiring .so our domestic ac voltage 230v. i want to add some stuff
* voltage meter.
* ampere meter.
* current transformer.
* circuit breaker.
* 5 electrical socket outlet.(1 for monitor 1 for CPU)
How can i add this stuff. please any 1 give me a...
Hello i have attached a picture of how i think a high integrity earth should be wired for computer sockets in a ring.
I have a few questions to ask if possible please:
1) Is the additional 4mm earth necessary if the circuit is wired in a ring? If so does the additional 4mm cable need to be...
Noticed this on the architects notes can someone elaborate for me? thanks
the contractor should note the need for dual earth terminal blocks to be provided within DBs supplying computer power
Hi Everybody,
Does anybody tell me, In computer science a definition of what is software design and also how they are beneficial? If you have an any idea please suggest to me. I am waiting for your positive reply.
Thanks a lot advance
Baron Davis
Hello, I know nothing about electric wires. This is what I am trying to do. I have 3 desktop fans, each 12V, and they have 2 wires each, a red and a black. I have a pc adapter which is 19.5 V and 3.34 amps. I want to strip the adapter and expose the red and black wires and connect it to the fans...
Hi All
I'm new to this site and just starting my electricians course. I've aquired a Metrel Instaltest 61557 meter and when I tried to install the software on my computer to download the results from the meter, it would not install. The software is designed for 32 bit machines and mine is a...
What are the regs on this as ive just seen a periodic report and the company that did the periodic gave it a category 2, and i need to price to sort it out??
Thanks.
Hi, ive been in and out of electrical for a while and have never quite grasped alot of wiring systems, i.e heating systems. Alot of the time im on the job im sitting in the dark as to whats going on which im fed up with. Ive discovered the internet and the computer a very quick and powerful tool...
Hi all
does any ony know what earth leakage a computer gives.
as i have a site which will have only a few computers all cable are flush and customer wants a few additional sockets.
543.7.1.3 is for circuit with 10mA of leakage,
also if so can you clarify
543.7.1.3(i) a 10mm earth...
Hi,
I've been looking around google for ages trying if find a Mac version of Amtech or Castline, and have yet to find anything for then the PDF's for the IET website.
Just wanted to know it you guys had found anything.
Thanks for your help
Paul
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