grounding | Page 4

grounding

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  1. M

    Cnc machine bonding to structural steelwork

    The factory I look after has just taken delivery of a new Cnc machine. I was there today to wire it up, no problems 4core 10mm swa done. The filter said that the machine needs a separate earth bond to the structural steel work. I said that's not my problem as its part of your installation as...
  2. D

    Best Way To Ground Rf Energy From Ethernet Network

    I'm not an electrician, but I am looking for some advise on the best way to drain a shielded CAT6A ethernet network in a UK house built in 1989. I need to drain the RF energy at one end. I have finished installing in excess of 500m of CAT6A and every cable save for one goes to two CAT6A patch...
  3. R

    Grounding issue on alarm

    Hi, I originally had this post: http://www.electriciansforums.co.uk/electrical-forum-general-electrical-forum/71644-connect-2nd-siren-box-7.html to add a 2nd siren box. I am trying to add a gsm auto dialler, but the issue i have now is that the voltage on BELL +- and STROBE +- does not change...
  4. D

    ground cable for power windows

    hey guys sorry for the noob questions. im trying to convert my manual windows to power by using this guide. DIY: Power windows in a 96-00 civic DX i have done everything except for grounding the cables and connecting a power source. I am currently stuck at grounding the cables. Do i cut the...
  5. Worcester

    BenQ Panels - grounding

    Don;t you love it :) Got an isntallation to do next week with BenQ 325's and now our suppliers are offering PM318B01 in lieu of the PM096B00, and it would appear that the 318's need grounding.. I Don't have a problem with the array, (used to do that anyway ..) however it also says...
  6. H

    Solar Grounding help

    Hi new to the forum so please bear with me, this may be a simple question for most but being a newbie i dont really know er indoors decided she wants a green house, so got one and put it up, but now its too cold to keep plants unless its heated, so decided to get a 3ft tubular heater, but...
  7. E

    how to, grounding photovoltaic panels

    hi i m going to install some pv panels, renesola, and i am wondering how can i grounding them. I mean how can i connext earth wire on each panel. Can i use some self tapping screw with some kind o cable terminals? What about of anodized chassis?
  8. A

    grounding rods

    easy lads, im doing some diy and iv dug down under the footings to underpin, in one of my sections is a earthing/grounding rod. im only goin down about 80cm, do i have to remove the rod and re-place or can i dig around it? or should a sparky come and sort it out for me? answers on a postcard..
  9. V

    Fronius IG plus and grounding

    I have an Fronius IG 30 plus inverter I know with this inverter panels don't have to be grounded, panels are Panasonic HIT system size 2.5kw. But as per local requirement they do. So what installer done is grounded only frames/rails the panels sitting on. Do i have to make any changes in...
  10. H

    Query in use of grounding conductor

    Hello every body We r running bare aluminium tape in the concrete parallel to rebar of the column for grounding purpose from top to bottom of the building. Is there any chance of galvanic action between aluminium and rebar? If so than is this advisable to conceal the aluminium tape in the PVC...
  11. F

    Need some help with a grounding problem

    Hi everyone, I am having some weird issues with the wiring in my apartment. I'm renting a fairly old apartment so I think the wiring is not grounded properly/possibly faulty and I'd like to understand what's going on so my electronics don't get damaged. I'm concerned that some of the outlets...
  12. W

    Grounding (earth?) a device that keeps jolting me.

    For years now the antenna cables in my house would jolt anyone that would touch the metallic tip without shoes or while touching a wall. I am no electrician so I just thought its normal for the antenna to do that. So recently my new DVB-T Receiver that its cover is all metallic would do the same...
  13. M

    Possible Grounding issue on a network switch?

    Hi all, We have a customer who've recently been having problems where their network switch has just stopped working. Now, being an IT Support company, we know how to deal with this to get it working, however we've never seen a particular problem as this... Basically, all the cabling was ruled...
  14. M

    How can I create a grounding plug for my antistatic devices

    Hi I want to know how I can ground my ESD equipment by way of using my mains points. eg I have seen a grounding plug for sale that allows you to clip on your ESD devices. You plug it into a wall socket and it uses the earth point to discharge. The problem is they are not cheap and there must...
  15. S

    Additional Grounding of the Sunny boy 3300

    Hi All Still very new to this game and was wondering if Anyone knows if you have to separately Bond the inverter, particularly the sunny boy 3300. I See It has a separate terminal lug for bonding, But have never seen any one use it. Any Help would be greatly appreciated as I have my Inspection...
  16. R

    hy, got a question about grounding

    3 years ago i did not have grounding in my house, pls dont ask me why because its a long story and everything went well for maybe a year. then one day i went to the kitchen and wanted to wash a glass. as i touched the tap i got electrified :) or better said i got an electric shock. now...
  17. J

    Grounding of Module Frames with transformerless inverters?

    Hi all, I heard somewhere that with the new transformerless inverters from SMA and others there is a need to ground all the modules and mounting structure. Can anyone shed any light on this? Thanks!
  18. S

    HV System Grounding

    Why HV system are normaly not grounded through some impedance, I mean why are they solidly grounded? I am refering to power transformers actually, normaly their HV side is grounded solidly & not through some impedance where as MV equipments like alternators neutral is grounded through a transformer?

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