This is in the level 3 science material handout. I know how a contactor work and asked my tutor what the link is, he looked at it and said he doesn’t know. Can someone please explain what it is please.
I am trying to calculate (as a theoretical exercise) what the effect would be if someone touched an electrical device that is protectively earthed. I would really appreciate it if anyone could verify my workings.
I am assuming that the current flowing into the enclosure of the class 1 device is...
Hi, I'm currently bought all the parts to make a diy 3d print shredder following advice from various resources.
I purchased everything I believe is required.
The one problem I'm struggling with though is woring the motor up.
I'm currently using a TEC 1.5kw single phase motor which has the...
Hi guys,
I fitted this ceiling light a few days ago for a relation and whilst there has been no issues with it, the wiring has left me somewhat baffled. Can someone explain why it has 3 earth wires? I am going to assume one is an earth for the light itself and one is an earth for the metal...
Dear Forum Members,
In my house, I have already installed CAT6 cable specifically for DALI2 D+ and D- bus wiring, utilizing a separate conduit. Power cables have been laid in a distinct conduit as well. Could anyone confirm the practicality and suitability of using CAT6 cable for this...
Not sure whether this is the right context or even forum to mention this, but I’ve recently been offering out myself to a friend to help get his Certs across the line for a small fee off the top.
Would anyone anyone else consider this? With all the right details provided I can get these across...
Been round to a house to quote to replace some storage heaters for new panel heaters and came across a strange (to me at least) way of wiring the old storage heaters via a contactor in the board, as usually I see their own off peak consumer unit which powers up at night via economy 7.
From the...
Hi All,
I am a IT trained person, with 25 years experience and 5 years as an apprentice Electrical Engineer. I though I would ask advice because I am desperate now.
So the situation is my Job as an IT person is coming to an end. I have applied for a lot of Jobs had a few interviews. Been...
I am renovating my 6m x 7.6m bedroom, I want to have some LEDs to go around the ceiling and then some around my desk and shelves. Can someone recommend which retailer has the highest-quality LEDs?
Good morning everyone. I bought some property in northern Michigan and this is on it. Not an electrician, just want to know what it is. I figured what better place to ask. Transformer? Access box? Portal for little green men? Consumers Energy is the provider. I called them, gave them the number...
I am never quite sure if I am doing too little or too much when someone has a flood and I am called in.
The most recent example is a chap has had fairly major flood damage to ceilings, carpets etc and it has poured through certain ceiling pendants and downlights.
Advice on the net states that...
Hi, I’m a 31 year old apprentice 🙃😬😂 I’m due to take my AM2s in a couple of weeks. Feel like I’m going to crumble so basically want as much knowledge as possible on it! I believe there is a section for AM2s help on here somewhere. How do I navigate to this section please ? Useless with this sort...
Hi all, my friend has just moved into a property and I've had a quick look at his DB and was greeted with a very old Crabtree board. Could someone give a rough estimate on how old it is? I think it could be one of the oldest ones I've seen. Thanks in advance!!
Hi Guys
I was looking for a bit of advice really. I have been told that someone has been using my qualifications to allow themselves and others to carry out work . I was wondering if there is anyway of finding out if this is true, as i don't want to throw someone under the bus to find out it's...
really really need help
hi guys i am doing my project where you have to design for the hotel and pool area just wondering if anyone can help me out on all of it many thanks
So I was on a small job today changing a consumer unit and they customer just a few weeks ago had a brand-new luxury bathroom / showroom done by a local plumber. The plumber fitted all new LED lights , 2 new mains towel rails , electric shower and new shaver socket. No testing done whatsoever...
Hi,
I'm considering viewing a house and have gone onto Streetview to find out a little more, and I noticed one of these situated in the property boundary just off the street:
Can someone shed any light as to what this is?
Thanks.
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