Hello, I would like to download Camélia a Mechanical calculation software for overhead distribution lines. can someone have it's installation or link ??
I’ve got an old DB at work that I’ve had a look at and can see they’ve used the main earth into it and tied it to the neutral connection at the board is this correct?
I don't do PV, so not overly familiar with specific regulations.
Yesterday I was changing a consumer unit, and the isolator for the PV was adjacent to the consumer unit.
Due to needing a bit more space, I had to move this isolator a few cm and noticed it was single pole, switching L only.
A...
Hi all, new here, just looking for a few pointers.
I'm not doing this, just keeping my brain active in these weird times with things i've not learnt yet.
How do you calculate cables etc for a single phase sub main (to a garage for instance) - is it the same as a cooker? Ib> In> etc etc??
TIA
Hi there folks, names Jimmy, new to the forum.
Am just after any advice anybody has or any contacts anybody has regarding resettlement in NZ from UK on the overhead distribution networks.
My self and my family have discussed about immigrating to New Zealand for some time now and it’s time to...
Hey there everyone,
I'm currently an EE student doing my 4th year project. As part of my project, I am carrying out a literature review into the design rules DNOs apply to their LV distribution networks.
I am trying to built up a reasonable understanding into how these networks are laid out...
Hi guys, just wondering if anyone has an alternative way of fusing sub mains other than fitting an MCCB panel? Basically I have a sub main to a laundry block, and one to a toilet block. There may be a db fitted next to the proposed panel in the future so I need to leave allowance.
I can’t think...
Can anyway identify the board and MCBs from the pictures? This installation is in a house in Tanzania - the actual installation has a much bigger 3 phase version in another house which I am helping to fix. These old boards used to be imported from China until about 2010. They are no longer...
Hi all, first post, and it relates to quite a challenging installation.
The short version is that I'm working through remedial work on a 75 page EICR on a site with 24 distribution boards, hit a very nasty C1, have resolved it, but now have max Zs issues that were actually there before but not...
Hello I have a new warehouse with 100aA three phase supply. Can you recommend a switch board ?
If any of you is near Coventry you can quote me for the full installation (lighting, sockets, etc)
Hi,
Does anyone know if there is a direct replacement for Ottermill system T MCB’s as from a quick search the company went out of business circa 2004?
Thanks
Priced a job to change old 3ph board from pictures alone. No the firm so jobs good.
Get there and situation is no spd fitted on existing. So I was going to fit one to my new db in trunking at side of board fed of 32a breaker.
Will this act / cover / work for the whole site.
Layout is main...
Hi,
I have been asked to distribute a Cctv system to multiple TVs in a customer property.
What modulator would be best to do this as there are eight TVs in the property.
Any recomerecommend will be appreciated as it's not a regular task for myself.
Thanks
I am hoping someone will have the knowledge, I have a pole in my garden to which I would like to take a 60amp supply to a new build plot. The supply is an 11kv supply 0.05 cu cable, over a distance of 120meters and currently supplies 3 properties,does it have the capacity to take a 60amp supply...
hi guys
Question for the knowledgeable on here, I went to look at a possible board change last night after the couple had experienced the ring final circuit going down when the fuse wire burnt out due to s faulty socket outlet had burnt out
The socket face had been replaced by the customers...
Is it mandatory to have the bus bar rating equal to the Ampere Frame (AF) of the Incoming Breaker (MCCB) in the MCC, sub distribution panels. Is it okay to have the bus bar rating equal to the AT ratings?
Hi,
A relative has moved into a flat with a mid-80's Square D QO1 12F distribution board, which has MCBs on all outgoing ways.
There are proposals to update the kitchen with a desire for some additional socket outlets. To meet the requirements of Part P and by extension, BS 7671, RCD protection...
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