Questions and electrical advice in the Industrial Electrician Talk - Industrial installations can be discussed in this industrial electrician talk forum..
Some popular forums: Electrical Forum - Electrical Wiring, Theories and Regulations - Periodic Inspection Reporting & Certification - Electrical Jobs
- Sticky
I’m from the US and I’m just trying to learn how UK does things and the terminology of what I call something verses what y’all call materials. I...
Hi
I'm supervising maintaining a building powered by a 1250 Amps and i had a total blackout twice within a week.
Checking the MCB and it's...
Having to wire around a messed up output for a month or so. Some sort of program corruption is keeping the central lubrication system from...
Hello all,
This is my first post so hope I'm in the right place for my question!
I sell single-phase frequency invertors that drive variable-speed...
So how many are aware of the difference between these two Standards?
I had these highlighted to me a few years ago and it was news to me.
The...
I want to check the insulation of the 3-phase 400VAC asynchronous squirrel cage motor.
Motor's stator windings are connected in delta.
I've read...
Hi everyone,
Happy Friday!
Could someone please point me in the right direction, I’m after the Max Zs for a Bill Talisman TLF633 63A MCCB, I’ve...
- Question
Hi
I am a sparkie based in London.
I am trying to shift from installation and maintenance to Testing. I did not use my 2391 for a number of...
Hi all i have asked a electrician about the mic level i would need to power the following machines a 45kva cnc mill, a 32kva cnc mill and a 60 kva...
Dear All,
Need advice on some strange tripping occurred in our industry, our Protection Relay Micom P111, settings are below,
our relay tripped...
Hi all,
I am due to start the compex ex 01 - 04 at the end of June. From hearing back about a number of people who have failed the course it...
Hi guys,
long time no show I know. Anyway, started a new job few years ago, there is a pre-historic gear cutter with a Q series Mitsubishi PLC in...
- Question
An isolator had heat damage and was replaced, not by me, but the new isolator is 125A instead of 40A. They found one and threw it on.
I locked it...
Hi All
I’m in charge of the maintenance (machinery and facilities) in a plastics manufacturing business. I have a ‘team’ of little old me and an...
Good evening.
I am not sure if this is the correct place to post so please advise if there is a more appropriate board!
I have recently applied...
Our company in the UK had its Periodic Inspection done over a year ago but now we’ve lost the EICR. We’ve contacted the company who did the...
Went to a job this week where we replaced a slip ring motor. We went back as it was not running upto full speed which we found was due to the oil...
- Question
I have been tasked with seeing if a site is capable of accommodating a large new installation.
I have done some working out but I'm not sure if...
Hi,
Main LVAC Board, Directly Fed from a Transformer.
What do i put as an OCPD on my BS7671 Test sheet? Since I don't believe the Transformer has...
Dear forum members,
Would you give please a practical tips how to measure and what measurement equipment to use (with some examples if possible)...
Where can I find Industrial Electric Diagrams to study and learn from please! Thank you!
I am looking for the B1 case size they made between the 1971 (GEC D case type) and when Siemens took over the brand.
I don't have access to the...
While driving home from Runcorn today via mid Wales my mind started wandering. I started thinking about HV safety distances. Now I know that at...
Hey all, looking for a bit of industrial electrical advice, I'm kind of stuck between a rock and a hard place at the moment, the company I work...
Bit of a long shot but has anyone got a circuit diagram for a Megger Foster OTS 60PB oil breakdown tester. Ours has gone 'breasts skyward' and I'm...
Hi All,
We have a Merlin Gerin Compact NS100N Single Phase MCCB
I've been asked to find its Max ZS Values and to be honest I cant find anything...
- Question
Hi Everyone,
Fairly new to the forum I think I'm in the right thread.
I'm hoping to get some advice.
I originally served my apprenticeship as...
Hi All,
I have a question trying to understand earthing arrangments
SO,
We have a DNO Substation, 4 Core armoured Feeding the Distribution Board...
Hello everyone,
I'm a service engineer from Malaysia and come across a simple problem. I work with instrumentation and the problem I face with is...
Cable calcs using cable calc app
Working out cable size for a workshop.
100m long, 100a supply, mccb 100a zs- 0.23 ohms, in a duct on its own...
Hi all,
I have been asked to install individual three-phase supplies for a band saw and table saw.
Having trouble figuring out the correct cable...
Hi all :)
I teach Electricity in France.
With my english teacher, we want to create an activity for our student.
The goal for students is to...
Hello Folks Myself Arif Patel Preston Dubai, I Wanted To Know Which Type Of Wires Uses In AC's At Offices?
If You Know Please Reply
Thank You!
Hi, I’m Not getting enough torque on startup to turn pump. Turns pump successfully maybe 1 in 6 times on startup and then fine at full speed...
- Question
Hi everyone I’ve done a bit of metal conduit before but been reading up online and seen people saying about marking the former to know where to...
Good evening everyone
Can any help or give me some advice please on measuring bending galv conduit.
My question is bending long 3m lengths...
Posted this to the DIY section since I'm not a business or employee in this matter but it feels more appropriate (and might actually get...
I posted a month ago regarding a single phase motor + panel I have been given to try and sort following water damage to the panel.
The assembly...
Removed the associated phone-line. How do I permeably silence this message?
Hi,
I am a mechanical engineer tasked with some electrical engineering scope of work and not sure where to look for information on the...
I previously posted about having a single phase reversing motor which I thought had a centrifugal switch.
After looking into it more, it actually...
New Posts (Please Reply)
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Can someone explain how these storage heaters were wired via the contactor?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...- Latest: nicebutdim
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I want a 16 amp socket in the garage with 3 double socketsI have a 4mm2 armored cable going from the CU in the house, under the drive and into the garage. The breaker for this is a 16 amp type B. I want...
- Latest: davesparks
-
connecting CO alarms to smoke alarmsany BS 5839 experts know whether CO alarms should be connected to the smoke/heat alarm system ? after completing an efixx CPD it seems they should...
- Latest: littlespark
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How to "Monitor" a RCBO??Anyone think of a way for a 'tripped"RCBO to notify property owner etc. Client has a valuable display cabinet thats fed from a RCBO (Radial) ...
- Latest: davesparks
-
Cables within stud wallsHi All, Wondering if I can get some advice. Basically I’m having exposed joist ceilings in my house and I’m in the process of slowly changing all...- Latest: Cjm1992
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