Hello, fellow sparkies. I’m a fully qualified electrician having done a 5 week course , got my Part P and everything. Got my NICEIC domestic installer inspection in 2 weeks. Going to rewire my parents house for the inspector to see. It’s a prefab, all concrete, built about 1950 and is wired in that awful round copper covered cable that fits into the boxes with brass nuts. It’s all 2 core cable, so there’s no earth. I’m going to do it all in stickyback plastic trunking, should only take me about a week. The niceic want a small job as well, so I plan to fit a circuit for washing machine and tumble dryer in the only place in my small flat where they will fit. The bathroom. As the floor is tiled, I can’t get to the socket cables, so I plan to come from the bathroom light in the attic, down the corner of the bathroom in trunking, under the bath, and fit a double socket under the bath where the taps are. I’ve looked up in the regulations, and that’s OK because you need a screwdriver to get the panel off. Also it makes the plumbing easy, straight from the tap pipes. And, because there’s no earth on the lighting, I can fix a wire from the earth of the socket to the cold water pipe. One thing I could not understand from the course is why I need to use thick cable on showers and cookers. Is it something to do with the bigger cable allowing the amps to flow faster, like bigger water pipes allow faster water flowing?