Some company will only be allowed to use electricians that are part of a governing body to carry out work. Check with the customer that they are ok for you to carry out the work explaining that you aren't part of a governing body. If you are just working direct for a home owner I can not see...
Changing a socket like for like is not notifiable work .so if you are competent and have the relevant test equipment you should be able to carry out this work. you can use a model cert from the regs book
You need to be able to turn off the permanent supply to the emergency lights without turning off the local lighting this should be done by a key switch also known as fish key .be aware there are a lot of requirements for emergency lights including lux levels, glare and what location they are...
Nothing wrong with bs 88 fuses as long as they are rated correctly for the cable size. Code 3 for the sockets if they are not RCD protected . Could push to a code 2 if you believe they are being used outdoors. . Why do you think the metal appliance are an issue.
Don't just speak to the man behind the counter You need a lighting designer to go out and do a survey. Cef should be able to recommend one so they can sell you the lights . You will need to know is the tennis court going to be use for torlements. As this will demand specific light level.
As others have said there are companys that will design for you . Call your wholesaler you normally use and they should be able to recommend one. Just to add you want to check what is used In the bottom of the post to terminate the cables. I've seen a lot of bodge jobs with poor detracted...
If you run tray I would fit another run of tray over the top to help prevent vandals cutting the cables. Also make sure the tray ratted to be used outside
Can you not dig in a duct along the fence . I wouldn't want to run trunking outside. You can run tray outside but if they are having problems with vandalism. This could be damaged
Are the fridge and freezer hard wired .some set ups have a switch above the counter that operates a socket behind the fridge or in an adjacent cupboard. Just to add I thought one of the reason for AFDDs was to detect faults in such appliances such as fridges and freezers. So by hard wiring...
If I do an online order. I request a quote first. Then my branch apply all the discounts upload the quote then I could order the parts. I find they give me good discounts and I like there next day delivery which seems to be working ok again now .
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