If it’s only to give the hot water a head start why not only connect one element that way you can switch the rest on when you get there, unless you are jumping straight into a bath on arrival I can’t see any point
Like any new job I wait till I get a feel for what I will be doing your colleges will give you a better idea as they are already established
Don’t go buying willy nilly as some of your most expensive tools, testers might walk before you get a chance to use them
Best to get an electrician everything has to be on an rcd circuit so if light circuit isn’t already it now has to be and a good electrician will have equipment to core the 4 inch holes for you
Try looking for a 6 x 6 junction box in loft even if converted it should be accessible with a floorboard marked for you
At least I would like to think so
If it was a diy job neutral could be from nearest socket in same wall
I also have a trade card the sales guy swore the tools have a lifetime guarantee and are made by the same people that make snap-on the card also lets you buy bulbs at a fraction of the ticketed price
Could be simply helping out his partner I know my friend has to rely on family to cover her when she was unwell or they lose job as they are all self employed good on him ether way for having the gumption to take any work on especially this time of year we can’t all be picky and decide it’s not...
Just use company fuel to power generator the set up you are suggesting is just insane and potentially kill someone by electrocution or fire
To calculate power usage it should simply be amps per hour 10 bulbs using 1 amp each would use ten amps per hour a simple calculation of ohms law will...
If you could test at isolator to make sure you have permanent live plus a switched live and not two switched lives but a look at terminations at fan would help because a lot op people mess that up just as much as the the switch and isolator
Also it’s refreshing to see proper cable identification...
Without seing your setup I would imagine something has to be powered maybe a DVR or hard drive these would have an earth lug at rear to give you an earth connection this should be enough if located in same coms cabinet
I travel to most north Berwick areas every day mostly Coldstream ,Eyemouth and surrounding areas if you are still not sorted for Christmas cooking I could fit a small consumer unit just for kitchen to get you by but by the way you described the wiring you do really need all work done at same...
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