... Specialized in Cooling Fan(Brushless DC Fan, DC Fan, Blower Fan) for 20 years. Have UL,CE,TUV,RoH DC Brushless Fan(Brushless DC Fan, DC Fan, Brushless Fan,cooling Fan,Blower Fan) :Model: TFS ... end wire red color at 500V DC.Dielectric strength: No damage can be found 600v AC.2 secretary, between housing and plus ...