TV tiger when the set-top box when tv / ay look for a look on the platform
Generally by 1 square 5 current calculation. So 0.5 square can not carry 4-6 ampere current. If the power cord, of course, to cloth.
Pumping water to the home need to consider the depth of the wellhead to the height of the water tower, wellhead size, water consumption
In reality, few of the 36 cables are used up, and individual cables can be used in parallel.