Test sample shall be install in the atrnosphere controlled at 38"C and 90% RH. The lighting condition
following lighting cycle as lighting on I hr. and then lighting off2 hrs. is I cycle ( I time ) shall be
continuous repeated 24 cycle ( 24 time ) total 72 hn. After that the lamp shall be exposed to wind with
wind velocity of 103.6 m/min. at 23oC and 357oRH for I hr.