Let me say from the off that although I'm electrically competent I'll be getting a professional in to do the work. I just like to know the answers before I ask professionals questions!
So I have a 100A single phase domestic supply feeding the house CUs as well as a CU for an EV charger. One of...
Hi all,
I am installing a custom sized (15ft X 17Ft) Aluminium pergola in my backyard on a concrete with tiles.
The Aluminium pergola and kitchen are powered from one of the outlet from the house.
Please note, the pergola has inbuilt lights and will be powered from one of the outlet from the...
I was asked to go and take a look at a generator set up by a marquee company yesterday to do some testing.
It was a brand new JCB 65QS with 209hrs on it (58.7kva prime). The generator was fitted with a socket pack from the bus bar with 3 x 16a on 30ma RCBO, 1 x 32/3 on a C curve MCB and a 63/3...
Hi friendly people,
As you may be aware, I'm a plumber, so quite possibly what I am seeing is correct, though it seems a bit odd to my untrained eyes. Hoping someone might be able to explain a few things to me as I need a bit of reassurance regarding RCD ratings.
I'm currently at a relative's...
I would appreciate some opinions on the following situation...
I have been asked to comment on an EICR for a local community resource (church hall used by various groups of all ages).
During an EICR on the TN-C-S installation the testing of a ring final circuit gave R1+R2 and Zs(db) values that...
Hi Guys
Hoping for a straight forward answer. Please can someone tell me if SPD's are mandatory in domestic dwellings at the moment (Amd1) and are they going to be mandatory with AMD2.
Thanks
Query about what's required for cables in domestic setting carrying 12V; context is MVR System by Lunos.
This has transformer that's installed in consumer unit; output is 12V max 4.5A max 54W
This is run to switches from which the multicore J-Y(St)Y 4x2x0.8 powers small ventilation fans...
I'm sure this will have been covered before but please bear with me. Have been asked to replace a main Distribution board for a fairly small caravan site and add in some new hook ups ( space for 8 x 16A sockets currently but upgrading to 12 x 16A and a 32A).
Now this is all fed from one 100A...
At our church, one of the things I've done is sort out the heating wiring (as best I can for now). The schematic is as shown below.
The theory that had me arrive at this goes :
Previously, when the wall stats was satisfied, the pump stopped along with the boiler. As we have a number of...
Hi,
If an SY cable is used to supply a consumer unit, and there isn't a guaranteed depth of 50mm for the wall it is in, would using the braiding as the earth negate the meed for RCD protection of that cable?
Thanks
Hi All
I am seeking a 1 day Lightning protection system inspection and test course in the east Anglia, Suffolk, Cambridgeshire area. A google search gives me few a far between courses and dates.
Any help with find training specialists or courses would be a great help.
Thank you
Hi Everyone, question. Have furnace in basement (nothing else in basement besides electrical panels - not finished basement). Inspector is saying furnace is required to be on arc fault breaker. Per NEC 210.12, I completely disagree. Any input would be most appreciated. Thanks
Hi all,
I know there is a reg on minimum height of mechanical protection i just CANNOT find it in AS 3000.
Example - Conduit running down a wall into an underground requires cover guard, theres a reg that says that cover guard must be up to 1000mm
can anyone help me? ive been been back and...
Good Morning everyone.
Quick question regarding a sub main from a TNCS supply feeding an outbuilding on TT.
This is a domestic installation not agricultural.
TNCS supply to house feeds High Int. CU from which 4mmsq 2 core SWA feeds an non attached rear building.
THE SWA of the sub main is...
Hi there all
I have a quick question. My garden supply CU has a 100A AC RCD as main switch - off that is my greenhouse supply circuit. Then a 63A AC RCD which protects 7 circuits, one of which is a pool heater. I am replacing the old heater and the new one requires residual DC protection...
Hello
I am adding a couple of sockets to an old industrial installation. I am replacing the existing sockets and adding two more into the ring. The installation is earthed through the metal conduit and an RCB has been retrofitted to the circuit after the old style fuse board. Is it...
BACKGROUND
I live in a small town where it is difficult to find ceritified electricians. In fact, electrician certification is not common for residential installations. I did find some experienced electricians but I don't think they are certified and know best practices in the installation.
I...
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