Did a CU change recently, replacing a Wylex rewirable.
Gobsmacked to find 3 sockets in one room on the ring with Earth and Neutral swopped.
I suspected something amiss from the results of my initial L+N to E IR test when lots of things were still plugged in.
The L/N or L/E cross-connection...
Had a quick look at a job which has it seems a neutal to earth fault.
Set up TNC-S feeding DB with 5 MCBs, and 1 RCBO feeding lighting circuits.
It was getting late and I was tired, so I suggested to the client you have a possible neutral to earth fault, and the circuit in question will need...
Hello,
I have been asked to undertake some work in a house, they require light firings changed, socket added in one bedroom and a new shower circuit (old one was plastered over).
There are a number of visible faults on the electrical system in the house including sockets being run off the ccu...
Hi,
Can anyone help please. I am doing an assignment for college level 3. I am trying too understand how to find a fault on a ring main circuit. I have read about splitting the ring, finding which end has the fault test again until the fault is found. But could anyone explain step by step on how...
Hi all I have recently been installing samil power solarriver inverters and have some trouble the larger of the range seem to be finebut the smaller of the range have not been holding up so well if anyone has hadsimilar issues please get back to me so I can bounce some ideas off of you.
I've got a test and one of the key questions on it is as follows;
230v Single Phase Circuit is protected by a circuit breaker with integral RCD(RCBO), Justify which competent part of the device would operate for each of the following faults:
A) Line to Earth Fault of approx. 2.3 Ω
B) Line to...
Hello all I've got a college assessment coming up about fault finding just wondering if any of you use certain techniques when fault finding ? Is there certain things you do first ? Obviously these are all pre determined faults which can be switched in and out please any suggestions will be...
I'm having a problem on an AHU that will not hit btemperature the actuators to htg coil are fully open and hot water is passing through but i am not getting my set point met by 8 degrees C, can anyone give me some advice please
I taken my mft 1553 to be calibrated they told i had some faults that need fixing such as a battery warning light comes on when testing at 1000v but if your batteries are low surely would just need new batteries so the machine as enough power etc the sum they are charging is a lot ideas please
Hi All,
seen an install that another company has carried out who have put emergency lighting on their own mcb instead of the lighting mcb on that floor. Is this allowed? There is a main rcd switch but if its a short it will trip lighting mcb and not activate emergency lighting? Also they did...
Hi, first post, had a quick search, couldn't find my problem so here goes.....went to check on some failed em. lighting which had come up on a monthly test. Downlighters with 2x26w flourescent pl lamps in, 1x2 pin 1x4 pin connections...anyway someone had relamped both sides with 2 pin lamps, but...
Hello there,
I'm currently taking my Level 3 and have been given an assignment to do which I have all most finished but I was wondering if anyone could use their infinite electrical knowledge and help me out with 3 faults that I need to identify and rectify? I will lay out below what I have so...
Foxhound
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continuity
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Hi,
I conducted an EICR last week on a three bed property with a large extension.
Broken earth on two lights downsatirs
No ZS readings possible on the upstairs lighting circuit at any of the accessories. Switch drops wired in twin red no earth.
Ring main no continuity >2000 ohms on all...
Evenin' all
We had this sent to us by the gaffer today asking us how many faults we could count, what do you reckon?
Haven't seen one this bad in a long time, worrying stuff
Having major problems at a job we done less than a year ago, we've had 20 odd failed light fittings , there 28watt 2d lamp fittings all seems to have been in the first area we done so supplier is saying must be bad batch of ballasts client is saying faulty wiring, wiring is existing and lights...
Hello all, i have been an Electrician for 10 years now i only do it part time as i work for the Fire Service.
My mum rents her house out and last week the tenant said the RCD tripped and didnt have power so the letting agent sent an electrician around, he couldnt rectify the fault there and...
markthespark
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Hi guys, I am doing some repairs on a big night club job we tested a few months back and the customer is arguing a few of my faults:
1. All the earths at the downlights have been cut away, they are plastic downlights but surely it is still potentially dangerous if the earth doesn't exist ie...
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