Hello,
I am new here and I am not an Electrician.
However, I am an engineer, understand electricity (to a fair degree), and pretty comfortable doing my own residential work.
I am helping assemble an electrification roadmap for a local town who wants to explore replacing all of the...
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 design the infrastructure to allow them to run simultaneously. It has been suggested that a "Paralleling switchgear" be used that could potentially...
I'm working on a 'what brand is this mcb, what works with it, who sold it, this brand is made by...." type thing and could use hive mind input
At the minute it's just images of mcbs with brands on but anything I can get about each one will really help, looking to make a single resource for...
Afternoon All
Some of you may be interested in one of my projects. I have nearly finished a themed room at my home and we have used some vintage switchgear as part of the decoration, I just need to finish off the skirting board. The next stage is to wire up the semaphores so that they operate...
Disconnect once check twice..(or more)
Found HERE at Trading Standards
Risk level
Serious
Risk type
Electric shock
Risk description
The fault was identified during routine installation process which includes a test. It was found that the switch did not isolate the circuit. The product does...
Marvo submitted a new resource:
Low-Voltage Power Switchgear and Controlgear Assemblies - A guide to the requirements of BS EN 61439 - Type Testing
Read more about this resource...
Have any of you had issues getting hold of switchgear at the moment?
Around here some suppliers have got issues with shortages of Lewden boards and devices. they said they are not the only ones with supply issues a the moment.
The fusebox brand is in short supply locally.
Denmans/Rexel have...
hey guys, I had a quick search but couldn’t find any posts about this.
I recently done an inspection on a domestic property and found the electrical meter was outside in a service cabinet and the fuseboard was inside more than 5m away. I recommended installed a fused disconnector at the meter to...
Hi all,
I've tried to find the answer to this question, but I've drawn a blank.
Situation... location is a barn, attached to a domestic property. This will be a sub-board supplied in T+E from the main board in the house.
The question is... is a plastic board acceptable or should it be metal...
Quick introduction. 28 yr old qualified spark with the boring PAT qualification test and inspect, design and verification, compex 08 and 09. Think That's it. moved into the switchgear side of the industry 3 years back building switchgear parking elsewhere like distribution systems changeover...
I have read a few posts with regard to Reg 421.1.201 & Similar Switchgear Assemblies, with regard to the definition of such. When 421.1.201 came into being, I was advised at the time about using certain enclosures. This advise, now seems to have changed. I've copied below my questions, and the...
This guidance is aimed at owners and operators of electrical switchgear in industrial and commercial organisations. It will help managers, engineers and others to understand their responsibilities and duties in the selection, use, operation and maintenance of high-voltage switchgear.
Continue...
I am currently stripping out a customers new site of all the high bay lighting and 3 phase power boards and it is all up for sale if anybody is interested.
There are approx 100-200 x 400w highbay fittings
a couple of 800amp power boards SQ D
a couple of 400amp MeM power boards
5-10 mem 3 phase...
Morning All, Just got this through from a colleague looking at a commercial gas boiler installHe sent this picture through, From the description of the cable coming in it sounds like MICC, but the glands don't look like MICC glands and neither does the cable, So it could just be old flex.
The...
Hello All,
We are looking for high voltage transformers and large switch gear
We can pay good prices for equipment as we refurbish the gear
Have any of the above please send me a message
Thanks
Afternoon all...
Just having a quick lunch break and thought I'd try and confirm some of my thoughts surrounding ammendement 3.
1. Am I right in saying that it is ok to use a normal grommet for all cables entering the metal CU as long as they are both a) entering the enclosure from the sides...
Interesting webcast yesterday from NICEIC covering the 3rd Ammendment BS7671, we were aware of nearly all of it.
The one thing that made us sit up though was that in accordance with the regs, they specifically mentioned that the two isolators (and any other switchgear) needed for the PV system...
Is there a standard for this? I'm trying to find information about any codes or standards regarding illuminated indicators on power switching equipment. For example:
A device is designed to automatically switch a load from Supply 1 (230V, 30A, single phase) to an alternative supply. The two...
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