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Questions and electrical advice in the Electrical Engineering Chat - A forum for electrical engineers, electrical engineering students, and those who have been electrical engineers for a while. ;) - Chat electricals and electrics on ElectriciansForums.net :).

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Hi Guys I recently started the HNC in electrical and electronic engineering in online learning through teeside university. Im hoping someone on...
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Hello, I need to conduct interviews with experts in the relevant field for my university project. The topic and product that I’m developing a...
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390
hello guys i have a (3-6v dc motor), (DC Motor PWM Speed Controller 3V 6V 12V 24V 35V), (3.7v 1200mah rechargeable battery) and a (Charging /...
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234
A cable specification is like below. -below- LBR: Pull <=1KV(350-600)(SC)(Non-Armor) What does LBR mean? and What does Pull mean? And why in the...
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127
Good Afternoon everyone Do you know any UK based company which sells straight connections between Medium voltage transformers ( 3500 and 630 kvas)...
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207
There are electrical engineers who just mutter the slogan "Safety is the top priority," and simply convey old and inaccurate Cable Tray Weight...
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405
Commissioning a busduct. My contractor has installed a 2000amp aluminum Busduct in a 17 floor office tower. The specifications state you should...
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150
I have some solar panels producing up to 10 KW and I wish to switch a 13 amp socket on when solar is being generated and off when solar stops and...
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1K
I know nothing about this so please bear with my ignorance. What additional parts such as a controller is necessary to make 110 or 220 volt...
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186
My ASUS laptop has been sort of broken for a while, instead of replacing it we thought that it might be repairable? Its missing both hinges and...
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4
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329
I am working at a site with around 100 of these meters installed on various loads. Doing an audit, we found that most of the meters were recording...
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363
salt water conducts with a positive charge and a negative charge moving in different directions. Is this different than a single electron moving...
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381
Does anyone have experience of buying surplus/second hand components? I have found some unused Siemens components, namely Motor Modules...
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18
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708
I had a job recently where myself and an apprentice had to gland and terminate a 50mm SWA cable in a panel. I put the locknut in a vice and filed...
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5K
I'm an electrical engineer in training so please bear with me. Basically, a bank has ordered a second 500kw diesel generator and my job is to...
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3
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524
Started this course yesterday, down in Kent. Anybody else done it? How did it impact your role at work?
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351
I am sure when I qualified for the 16 edition we spoke about how to treat a ring main. I know the majority of the time we just learned how to read...
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Sorry if this is in the wrong place. I'm an electrician of 20 years. Starting out with domestic and commercial install work but mainly working in...
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Hi All, Weird matter happening here and I hope you can help! My 3 Pahse EC Fan is connected to a sensor and a controller for the temperature...
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426
I have an 5kW inverter and 48V Lithium battery with inbuilt BMS. As you would be aware, when inverter gets battery power, immediately the...
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0
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321
Once again I am using the Engineering chat as I think my question is more theoretical rather than 'diy advice'. If I am misusing the forum...
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17
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848
Firstly, I hope it is ok to discuss the wiring of speakers here. TBH my ignorance in all things electrical knows no bounds, and I am guessing it...
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31
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3K
  • Question
Hi All, Can anyone help with calculating a Zs value for the fuse described in the title. The fuse sizes in Fig 3A3(c) of the 18th edition wiring...
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1
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483
The customer has suggested from a previous electrician that the oven requires a new circuit installed . Upon viewing the instructions it is stated...
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6
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1K
When there is a fault on an EPS circuit, how are we meeting the disconnecting times? Earth fault is easy - just use a 30mA B-type RCD, but for the...
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1
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640
  • Question
I removed a fuse and before reinserting did the following tests using test lamps. Live side - Neutral = 230V, Dead side - Neutral = 0V, Live side...
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648
  • Question
Greetings everyone I work at a company that sells chargers for electric vehicles and I’m working on the electrical projects. The chargers I work...
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5
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This is a topic that comes up a lot and seems to attract near-religious levels of fever in how folks argue over the choice of circuit for UK...
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54
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4K
I'm nearing the end of the 2nd year of my degree and now have a choice on which modules I would like to do for next year. I'm based in the North...
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483
Why aren't there any electrical engineering degree programs (or any engineering degree) that run in the evening? In the US there seems to be quite...
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491
M
Hello, my name is Martin and I'm from Sweden. I studied for 3 years in Sweden to become an electrician and I've now had my Swedish diploma...
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Hello everyone, I am a newbie mechanical keyboard enthusiast and would like to ask which open-source mechanical keyboard PCB files are more...
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0
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431
Hi all, I hope you could share your experience and advice regarding supply 50 flats in 5 storey block of flats. We get 3 x 430A supply. What...
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4
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974
Hi Looking for EIC, EICR and MEIWC in editable word format please. I have them in editable PDF format, but, seems file is not very portable and...
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2
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758
Good day, I am an electrical engineering student in my second year, second semester. I am suppose to take an internship in June 2023. I feel like...
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4
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617
I appreciate that @mark641 asked how ferrite cores work here, answered by @Lucien Nunes , but TBH, it is at a deeper level than I need. My...
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A customer has an ACE 9000 Itron. If I remove the mains fuse, to replace CU, will the meter stop working and need to be reprogrammed by supplier...
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Some months ago the transformer feeding my road had a HV phase loss with the result that my house was only getting about 85V. It was interesting...
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637
I've managed to mainly fix a Megger 1502 MFT that was so far out of calibration it got laughed out of a tester day. I have high current loop. rcd...
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  • Question
I feel very very stupid but I started to hammer a small nail Into the wall and heard a clang when I hit with the hammer (not hard) I immediately...
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10
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