How to delimit the hydropower property of shops?

Shop water and electricity diagram and property water and electricity diagram on your room structure diagram, draw the line direction of water and electricity, switch nodes, meter box drawings and drawings description.

As-built drawings illustrate the main problems, water supply and drainage, electrical design contents, selection and laying methods of water pipes, conduits, wires and accessories, etc.

You can print out the drawings and ask the hydropower master to mark the position of each lamp holder and switch in the socket line with a pencil.