detail the specific design criteria when designing a circuit which is to supply a single item of equiptment having a protective conductor current exceeding 10ma
Hi chaps. I've come over from the Tilers Forum for some precious advice. In an hours time I hope to install Electric UNDERFLOOR heating in my own bathroom, and I need some quick advice. Its about the temp sensor. I suddenly saw that it "should" be installed in a conduit to allow its removal if...
Hi All,
I've followed the Y-plan with pump overrun and direct live for the boiler but still the CH and HT not working.
I Have;
Worchester Greenstar RI
Honeywell ST9400
Honeywell DT90E
3 Port Motorized Valve
The boiler is on standby, thermostat ok and control panel ok. But when I put CH or HW...
Just been asked to quote for running new supply & connecting a 3 phase cooking appliance in a small bakers. Don't really do much with 3 Phase so just a quick question.
DB has 3 phase 3 pole breaker spare and the run is around 40-45 meters away from the DB
Done a quick calc and the SWA needs to...
Hi all @ electricians forums, im currently studying level 3 city and guilds and working as a maintenance caretaker in the meantime. hoping to hopefully go on to a more permanent role once qualified and also go part time self employed. have a vast knowledge of wiring just need to brush up on the...
Hello all ! Hope your all well.
Just a quickie
Am I ok to change the earth wiring that comes from the outside supply ?
Getting a new front door fitted tomorrow and the currant wire goes across and needs extending .
Im not a sparky or trainee
Many thanks
New to the site and registered this time although I have visited in the past.
I run an electrical company and have done for nearly 20 years my two sons now work for the company too and are completing their qualifications early this year. We run a team of six engineers and carry out works to...
Ok guys few weeks back tested a store room at the very back we found these items. Luckily we had seen them still in use on site but what are they?
Older guys prob too easy for you I imagine so let the young ones have a go without google
I pulled the black lead out my 1553 today and the whole connection came with it! So basically I don't have a tester, any ideas on who I can send it too to have it repaired at a fair price?
Ideally with a quick turnaround!
Hello All, Just wondered if you have time to answer a quick question.
For maximum demand on a three phase final circuit i.e A 20 A TP-N supply. Do I have to allow 20 Amps for each phase without further calculation.
I am concerned about the electrical safety in the house I am renting and looking for some advice so I know what work i should expect to be done by landlord, am I allowed to detail my concern and ask if its safe in the general section?
I've just received my NVQ3 and passed my AM2 and all that jazz, out of interest I've been looking up jobs and they ALL seem to state '17th edition wiring regs cert' as an essential. Now my question is, because I trained/served my apprenticeship under the 17th does this apply to me? I mean I can...
Hi,
Just had the info through and contract to sign from the NICEIC about upgrading to Approved and have a couple of points I just wanted a bit more info on if anyone can clarify please.
There was loads of bullet points to check, but two of them just wanted clarity.
1. building standards...
hello, i have a lot of 3 phase motors running conveyors on my bottle line at the brewery and have a quick question for you guys. i had a Danfoss drive fault out and it said the motor had a short circuit and to check the motor leads , etc. when i disconnected the cable coming in from the motor...
Hi guys I'm thinking of changing sector and was wondering 1, what is the most appropriate and up to date qual for PV? Is it 2399?
2, is there much work ahead for 10or so years in this sector? As I've been told the hype of PV is over.
Thanks
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