hi....im running cable for a split type 1.5 hp aircon....i have a roll of english 2.5 twin & earth, is this ok for the job? im running it to the fusebox into 16A breaker.....the run is about 5 meters.....
Client currently has a DB in his outhouse. It feeds a pool pump and an air source heat pump. It is currently being supplied using a 4mm T&E cable. He wants the DB moved to his garage. It will still supply the two pumps but also a socket circuit in the garage. Having done my cable calcs, 4mm will...
Hi guys. I was wondering what size cable and braker I'd need for an electric shower.
Just out of intrest am I close in guessing as follows:
The shower unit is an 8.5kw. Total meters to C/U is about 15meters. 10mm cable, 40A fuse. the cable will be solely for the shower supply, and RCD 1way...
The customer has suggested from a previous electrician that the oven requires a new circuit installed . Upon viewing the instructions it is stated that the total power consumption is 5kw and cable size should be 2.5mm .
The customer has a kitchen ring main with a previous fuse spur for a cooker...
Hi All,
I have a client who is developing a plot of land for a single house. Currently, their 100 amp service cut-out is in a cubicle fed by overhead cable, however, this is in the way of the build. Rather than having the cubicle moved before the build and then again once the build is...
Hi,
Same project as detailed in my other post (I want to run shower cables to the CU whilst the kitchen ceiling is disturbed).
I'm going to install a 9kW shower, cable length will be 12m max from CU to shower switch. Cables will run in the cavity between between floors (between floor joists)...
Hi all,
I’ve been asked to run a cable for a 3 phase DC motor. Not having much experience with motors would you work out cable sizing the same?
In the picture attached are the details I have received.
Any help would be great 
Hello, hopefully ive got this right but if someone can check over my maths for me, id appreciate it. Im needing to install a new supply cable from my remote solar array and because of the distance, it needs to go underground for about 35m then into a nearby barn where it will be joined into a...
Hello All,
Currently building an extension to my barn/workshop and before i pour the foundations i want to run some new cables from my ground mount system which will eventually go through the barn and then into the house.
The run comprises of:
i) 25m Buried from the array inverter to the...
Hi All
I’m in need of a bit of advice. I’ve recently started a new job and have been given the task of relocating some machinery. There are 3 separate machines on the line with 1 feed from a bus bar with a 35mm cable protected by 125a fuses.
What I’m planning is to take the feed to the first...
Afternoon all
This is based on a previous thread I’ve worked on, carried out an assessment on site , found a imperial aluminium sheathed copper single supply cables measuring at 10mm diameter on the strands themselves , what size of cable does this make it? And what is the copper equivalent...
Hi guys , trying to determine the size of this imperial cable, 17mm diameter , what could the circumference be if it were double insulated? And what would be the equivalent cable now to use?
Hello all, recently been asked to look some incoming power supplies for some future works , and I’m trying to determine the size of these incoming aluminium cables as it’s not something I work / see on a regular basis. Would anyone be able to give me some inside to what they believe the...
Hi everyone,
i am planning to add a switch going to one socket and from
That switch add a socket to plug in the downlights.!
since socket use 2.5mm cable and lights uses 1.5mm cables, not sure what cable should i use for this product. Not also sure if i need any fuse in between.!!
Any help...
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