Solar energy. The source of Earth's solar power: the Sun. Solar energy is radiant light and heat from the Sun that is harnessed using a range of ever-evolving technologies such as solar heating, photovoltaics, solar thermal energy, solar architecture, molten salt power plants and artificial photosynthesis.
A general guide to follow for your water line: 1  The average single or 2 family home with 2-4 bathrooms and 2 kitchens, will most likely require a 1â-1 Â¼â copper water line. 2  3 family homes will most likely require a 1 Â½â copper water line.
Find the correct sink piping to fit the water supply line, which is usually a 3/4-inch copper pipe. Measure the end of the main water supply where the piping attaches near the valve shut-off to determine the pipe size.To fit the sink piping to this line may require a 1/2 reducer, as the lines running from the supply line to the sink are usually 1/2 inch lines.nstructions. Measure the distance between the main water valves underneath your sink to the sink faucet. Main lines typically run through floor joists and branch up into the walls in the bathroom and kitchen. The lines stub out underneath the sink with the left supply being hot and the right supply being cold.