Hi guys bit of advice needed to save me some time and money. Earthing and bonding required in new build property. 10mm earth to be ran to gas meter to clip to gas pipe that will enter property. This gas pipe then goes to a combi boiler where I will bond all pipes at combi to the gas pipe (gas...
Afternoon Gents, just a query regarding volt drop and extending the equipotential zone on a PME in the level 3 design project.
In my design I used a 16mm armoured and the associated volt drop was 5v, this left 1.9 volts for the lighting ring in the summer house. Tutor said not to worry about...
Hi,
I am planning to install a hybrid solar/wind power system. When it comes to 230V AC, I'd like to supply power to a home circuit with mainly LED lighting, It will draw probably never more than a few hundred watts. This circuit is connected on the main breaker panel to a 10A breaker,one pole...
So I'm currently testing a system and was wondering what earthing documentations is needed/sufficient. The company I'm working for doesn't have any records so thought here would be the best place for advice.
Using a low resistance ohm meter do I need to record measurements from the main...
I’ve seen debate in the past on here about whether to earth both ends of SWA at the glands even when using 3 core with a core as the cpc. My question is:
If I gland the load end and earth the banjo there, then gland the supply end but run the 3 cores straight through the building skin so there...
Probably a bit of a noddy question but I am bringing my TV aerial cable into the house which I have already done. Now I want to fit a TV socket to the wall to tidy it all up.
I have purchased a metal back box with a plastic TV coaxial faceplate.
On the metal back box there is an adjustable lug...
This is my first posting here - I am not an electrician so please bear with me.
I am trying to establish the best method to provide earthing of a 60A supply to a new build garage / workshop to be taken from a domestic residence. The incoming supply to the house is TN-C-S with a supplementary...
Is anyone able to clarify with me how i can work out what earthing arrangement i have on site.
Supply comes into one of our motor switch rooms from an 11kv to LV transformer located directly outside. I can see 4 big copper bars (3phases and neutral) coming in which will then feed off to the...
Hi all,
Just having a chat with a customer who we do regular maintenance work for. They have had an extension and got another company in to do the electrics due to us not having the time. The main reason for the post is the installer has used self tapping screws on all the swa glands. Is there...
I am looking at an Edcoa 2500 inverter which produces 230v pos to neg but half of that to earth. The installation is on a boat and the boat boiler is looking for 230v to earth. Can I bond the ac neutral to earth to acieve this?
Thanks
Hi all, first post, and it relates to quite a challenging installation.
The short version is that I'm working through remedial work on a 75 page EICR on a site with 24 distribution boards, hit a very nasty C1, have resolved it, but now have max Zs issues that were actually there before but not...
I am fitting up a small PV system on a porch roof using a small (Plug in Solar) 4 panel rig just would like to know if its lightning earth grounding wire can be threaded under tiles to emerge as required at its brackets (to be neater), or would it need to be topside.
Figure there are rules for...
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