How to calculate your lightning power

According to the SNI, the maximum lighting power for space office / industrial is 15 watt/m2. For lighting power

at home, its value should not exceed 10 watt/m2. Calculation of power influenced several factors,

Function room (to determine the bright lights) .Type of lamp (light affect the quantity of emitted)

The number of point lights (so that uniform light distribution and as needed)

Installed electrical power must not exceed the number maximum specified for each space.

Example calculation:

Vast dining room: 5 m X 4 m = 20 m2

Lamp Power: 3 pieces (point lights) x 15 watts = 45 watt/m2

Power: Room Size

2:25 watt/m2 = 45/20 ==>> qualify (less than 10

watt/m2)

Try to apply this calculation to each room in the house

.. if you subtract the amount of excess lighting point or

use of energy-saving lamps