Hi all
If an outdoor circuit comprises 2.5mm SWA running to adaptable box where it then splits into 2 x 1.5mm SWA cables for lighting, socket etc. how is the VD calculated?
I presume the VD for the 2.5mm run is calculated up to the adpatable box and added to the 1.5mm VD for each additional...
pencilpusher
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calculate
electricians' talk
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voltage
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volts
Just installed a 5 way consumer unit in a garage/workshop. It's fed from a garage unit in the house. I've started testing and on the garage 5 way the RCD test is OK but the RCD unit in the house trips at the same time (apart from one random event). I'm not happy about this and a bit puzzled as I...
Harry Worth
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electricians' talk
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present
rcd
systems
Hi guys
I recently completed an intensive course and had a brand new tester included in my course which i dont need as i already had one passed down to me
( thanks Dad )
I used it a couple of times on my course but thats it!
Everything is present and correct and i am more than happy to...
patrick_scott11
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· Motors which may start up when being maintained/repaired
Can anyone think of a third please ......
lofty84
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Hi I have recently come across a property with questions I need an answer for and I hope the more experienced sparks can help. The property has an old consumer unit with no rcd protection and 3036 fuses. The boiler is wired in 2.5 t and e on a 5 amp breaker! The downstairs lighting is run in...
Please can you help? It has come round to that time of year when I ask my missus what she would like for Christmas. As usual I got the standard response of “Surprise me.” So I have come up with a list. Any additional ideas would be appreciated.
Anti ageing cream - likely to get a refund...
Well just on me way sit 2391 exam again. The training centre I sat it at in oct phoned me........ Passed 2391 how chuffed am I...... Got certificate there already how quick is that sat exam oct 22nd certificate dec 2nd.....
Big thanks to all the guys on here who have helped me out....
No...
UK Maths Past and Present
1. Teaching Maths In 1970
A logger sells a truckload of timber for £100..
His cost of production is 4/5 of the price.
What is his profit?
2. Teaching Maths In 1980
A logger sells a truckload of timber for £100.
His cost of production is 80% of the price.
What is his...
topdjmatttolley
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Hi everyone,
I hope someone can help me with this, its my partners birthday next month and I wanted to buy him something he will actually appreciate,instead of the usual crap I end up getting him!He is an electrician and his tools are getting pretty worn now so I wanted to treat him to some...
When carrying out a CU swap and you get to the check list of inspections and 9 or 10 times out of 10 there is no paperwork for the installation. Do you Tick, Lim, Cross ? :confused:
Thanks
timo
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My friend and l are testing a new installtion. Can anybody tell me why, when we are testing the main earthing conductor with an earth leakage meter, are we detecting an average Current of 8-9mA which is constantly increasing and decreasing from a minimum of 0 A to a maximum of 11mA.
The...
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Hi, I was asked to look at fault today were shocks were being recieved whilst someone was using a shower. It did not occur constantly but when i was there I could find voltage between Earth and the screen this voltage went from 50v upto 150v gradually as the shower was switched on. there was...
mystic_carp
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Hi all,
Just been to look at a job where the elv lighting in the kitchen sometimes trips the mcb, put my voltstick to the interior wall near were the lighting controls are and it shows voltage present in a 2 sq meter area on the wall, the other side of the wall shows the...
sivoodoo
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