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The big difference in the electric terminology and installation regulations and practice in each country!
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...
Megawatt
Aug 3, 2019
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pc1966
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Lost EICR Periodic Inspection
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...
punkin
Mar 22, 2023
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eicr
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Friday at 11:05 AM
Vortigern
A
How do oil immersed starters work
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...
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Feb 14, 2023
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Feb 25, 2023
AlexGoode
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E
Question
How to calculate site load and availability for expansion?
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...
ethanmiah
Feb 17, 2023
calculate
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7
Views
411
Feb 20, 2023
ethanmiah
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Q
My OCPD (BS7671 Test Sheet)
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QuestionableSpark
Feb 14, 2023
sheet
test
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3
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423
Feb 16, 2023
davesparks
T
How to measure rail-to-earth resistance and rail-to-earth potentials
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tatigo
Feb 16, 2023
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1
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178
Feb 16, 2023
DPG
Where can I find Industrial Electric Diagrams to study and learn from please! Thank you!
Where can I find Industrial Electric Diagrams to study and learn from please! Thank you!
Florin_85
Feb 15, 2023
diagrams
electric
industrial
Replies
0
Views
121
Feb 15, 2023
Florin_85
R
Rayrolle - Protection Relay Case Sizes Question
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...
RetroFitDesignEngineer
Feb 13, 2023
Replies
4
Views
215
Feb 13, 2023
Julie.
J
HV/EHV Safety distances
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...
Moley
Feb 1, 2023
2
distances
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14
Views
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Feb 12, 2023
Lister1987
S
High Voltage advice (11KV)
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...
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May 12, 2022
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28
Views
2K
Feb 12, 2023
Tigger
T
Anyone got a circuit diagram for a Megger OTS 60PB oil dielectric breakdown tester?
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...
Moley
Feb 7, 2023
circuit
diagram
megger
Replies
0
Views
113
Feb 7, 2023
Moley
Q
Merlin Gerin MCCB Zs Values
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...
QuestionableSpark
Jan 31, 2023
mccb
merlin
values
Replies
6
Views
448
Jan 31, 2023
pc1966
P
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Question
skills refreshing advice
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...
paulmc88
Jan 28, 2023
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0
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220
Jan 28, 2023
paulmc88
P
Q
Substation Earthing Arrangment
Hi All, I have a question trying to understand earthing arrangments SO, We have a DNO Substation, 4 Core armoured Feeding the Distribution Board...
QuestionableSpark
Jan 26, 2023
2
earthing
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12
Views
526
Jan 27, 2023
QuestionableSpark
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False reading on analog instrument
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Rikka23
Jan 27, 2023
false
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146
Jan 27, 2023
Rikka23
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Cable calcs zs and ze values
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...
Simon-0116
Jan 13, 2023
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2
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442
Jan 16, 2023
Simon-0116
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3 phase supplies for table & band saw
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...
Marine electrical fitter
Jan 13, 2023
2
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15
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Jan 14, 2023
davesparks
I’m looking for the exact terms for these devices
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...
myeleec
Dec 5, 2022
2
devices
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16
Views
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Dec 28, 2022
littlespark
Arif Patel Preston Dubai | Which Type Of Wires Uses In AC's At Office?
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!
arifpatelprestondubai
Dec 15, 2022
hashwani
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5
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449
Dec 15, 2022
Spoon
C
Learning electrical motors
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Dec 13, 2022
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424
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H
Question
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harry phillips
Dec 11, 2022
conduit
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Dec 11, 2022
Lister1987
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Galv conduit help please
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Dec 1, 2022
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Dec 2, 2022
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A
Wiring Multiple VFDs off Dryer Plug for Multiple 3-phase Motors
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allamateur
Dec 1, 2022
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318
Dec 1, 2022
allamateur
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Motor wiring help - single phase reversing
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Factoryspark
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Nov 28, 2022
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Visonic Powermax (Check system for troubles)
Removed the associated phone-line. How do I permeably silence this message?
CCinPA`cr
Oct 31, 2022
system
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Views
384
Oct 31, 2022
CCinPA`cr
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Direct Buried Cables 3 Phase
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Oct 28, 2022
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Oct 28, 2022
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Motor starting relay alternative
I previously posted about having a single phase reversing motor which I thought had a centrifugal switch. After looking into it more, it actually...
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Oct 14, 2022
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1
Views
534
Oct 16, 2022
Lucien Nunes
F
Single phase motor reversing with brake and centrifugal switch
Hi guys, Been given a motor and associated control gear within a panel that has been water damaged. This motor has 3 windings U1/U2, V1/V2 and...
Factoryspark
Oct 11, 2022
motor
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Replies
2
Views
451
Oct 13, 2022
Factoryspark
F
L
Industrial socket cable calculation
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Lc1
Aug 15, 2022
2
calculation
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14
Views
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Aug 16, 2022
Lc1
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Things to consider when doing EICRs on Commercial/Industrial?
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Lister1987
Oct 18, 2021
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doing
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14
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mossep
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H
Question
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Fuse rating confusion
Organizing my fuse inventory at the plant I came across some Ware 56-50 Amp (FRS style/size). The world of fuses is complicated enough... I cannot...
HaganSteve
Jun 16, 2022
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Megawatt
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Tri rated cable and grouping factor
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May 28, 2022
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Requirements for E-Stops on machinery
Can someone please remind me what a) the general requirements are for E-Stops on machinery such as lifting hoist controls and b) what the...
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May 27, 2022
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Contactors lost continuity
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May 25, 2022
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3 phase sub main…help please??
Hi All I’m in a bit of a quandary at work and need a couple of things clearing up if poss. I’m the maintenance...
RMS1981
May 5, 2022
2
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May 6, 2022
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Recommended reading for motor control circuits
Hi all. Just a quick one really. Some of my work has started to creep into the industrial sector and, as such, I'll need to do a bit of...
Exponential
Apr 25, 2022
circuits
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0
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735
Apr 25, 2022
Exponential
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A reminder to everyone - FatallyFlawed - Child Plug Socket Covers Campaign
Just a reminder to everyone, could you all please keep banging the drum for the http://www.fatallyflawed.org.uk/ site and campaign? The sooner...
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Aug 7, 2011
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Seperation of circuit breakers in panels?
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Trunking mess - where to start!
It's not that often I stare stupidly at something for 5 minutes and can't work out where to start, but.... The horizontal and lower vertical...
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Nov 18, 2021
start
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Apr 12, 2022
Exponential
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Solder corrosion and possible causes?
Hello all, I'm new and apologize in advance if this is not the correct forum to post this type of situation. Attached are two photos of CPU...
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Exhaust Fan w/Ventilation louvres
I'm not an electrician, but I do electrical tasks for my employer. Hello underfunded maintenance department. I'm currently troubleshooting an...
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Mar 18, 2022
fan
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westward10
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