Why would two cables have the same current rating, but different conductor surface area?
I'm looking at double insulated thin wall 2-core 25A multistrand cable.
In one case the conductor area is 2mm^2, in the other it's 8.4mm^2.
Is this a mistake by a supplier? Or maybe one cable has better...
Evening all!
2 questions?
1. when testing a commercial premise Is it my responsibility to point out to the client that the emergency lighting is insufficient or non existent in certain areas of the building?
2. I've never tested premises with a potentially explosive atmosphere before..so I...
Evening all,
This is my first post on here so I apologise in advance if this is posted in the wrong place or this has been covered before, I have done a search but couldn't find what I was looking for.
Basically, I work for a fire protection company and we have recently got a contract for...
Hi folks, As the above header says, i'm looking to network with anyone in Fife or surrounding who is currently training to become an electrician.
My reasons are simple, it's about helping out and working together to overcome any questions, issues etc... and maybe in future join forces on...
Evening Gents,
Can anyone advise of ratings of electrical equipment , disboards, switches, light fittings and socket outlets in a potentially explosive environment.
Thanks
Sparky 63
I'm wondering have any members got any experience with testing in group 2 medical locations?specifically I was wondering how to go about testing the anti static flooring.There are copper tapes coming out of the vinyl flooring which I'm guessing have to be terminated to 4mm earth cables and run...
Are any of you guys benefiting from increased work where areas have been flooded? I was expecting a deluge (Pardon the pun) of remedial work but not much so far.
Shades of the broken window fallacy, but work is work!
Hi all,
This is a query about pricing for communal areas in a block of flats.
This will be carried out twice a year.
We haven't seen the job as of yet but have been told it is only a few lights and cleaners sockets.
We mainly test domestic and office locations so would be grateful to see what...
Hi There,
We are a medium sized electrical company who specialise in new build domestic installation. We have been established for well over 20 years and have built a steady supply of work, mainly for national house builders. We are based in North Gloucestershire and would like to find...
Hi all,
British Gas Service and Repair Apprenticeships are open for applications in the following areas:
North Scotland, Northern England, Berks & Hants, Windsor & Guildford, Sussex & Kent Coast, Wiltshire & Oxon, Broads & Fens, Central London, Bucks, Herts & Essex
Starting salary of...
Just rewiring a house which has been gutted and had a new extension on back and side. Smokes are wired in hall down, hall up, attic top floor and a heat in kitchen all interlinked. The building inspector just came and said we need a smoke in every room in the house apart from bathrooms and en...
Hi All , wonder if anyone can shed some light on this ? ,
we've just landed a job on a massive 4 bed house that's entirely built from sterling board , outside walls , inside walls , roof the lot , so conventional wiring methods are not an option in some areas as we have no joists to run...
I have a query i have never come across as of yet.
i am testing a large social club, i cannot gain access to the main bar area to test 4 of the total 19 DB's. The reason is they will only let me in when they are working, therefore i cannot turn any of it off as they bar is in use, and its not...
Just looking at a farm building which suffers from a dust problem from surrounding plant, apart from that the roof is good for solar.
I have been lead to believe that to a large extent the panels are self cleaning (they will be on a 30degree roof) but are there any on the market that are better...
Like what seems to be most of the world, i'm going to try my hand at getting offshore. Got the bosiet and mist booked up but I also booked my compex. Anybody out there already completed the course and want to give me a heads up on what to expect?
Cheers,
Alec.
hi guys anyone used the xs training centre thats advertised here? im going to speak to the college wednesday and to do the nvq 3 with them but it works out alot more! i need it to get my jib card as fully pledged so just need this nvq asap.
or has anyone used a centre they would recommend? cheers
OK, got my tin hat on and have my running shoes on so I can to the bunker......
Looking at a customers "downlight" design for the kitchen/breakfast/family room. They have 32 lights marked and yes, they are planning on buying 240v x 50w fittings.
Calculating load says you should use 100w per...
What is the usual grade system as per 5839 for a landlord area only for flats, I have seen grade a and d systems used??
I have actually ordered the new regs but need to get a rough cost back to the client asap, the risk assessment just says 'fire detectors required'
another contractor....Nic...
Any one agree? We installed 25 systems in the Isles of Scilly over a 3 month period, huge demand and interest in a small place that has an increasing problem with high demand but limited infrastructure, but no mains gas so no condensing boilers so no EPC rating of even 40! Bloody sad
I have to return a quote for the following maintenance contract and would like some help/pointers/ideas on rough costing allowances, they would also like a call out fee and per hour after charge, for when lamps need replacing, kids smash the light fittings etc.
Im based in Essex, my usual...
These Official Forum Sponsors May Provide Discounts to Regular Forum Members - If you would like to sponsor us then CLICK HERE and post a thread with who you are, and we'll send you some stats etc