Arduino Arc Flash

int ledPin = 9; // LED connected to digital pin 9
void setup() {
 pinMode(ledPin, OUTPUT);
}
void loop()
{
 int i,count;
 count=random(10,60);
 for (i=0;i<count;i++) {
 digitalWrite(ledPin, HIGH); // set the LED on
 delay(random(60));
 digitalWrite(ledPin, LOW); // set the LED off
 delay(random(200));
 }

 delay(random(800,2000));
}