int OutletOnPin = 3;
int OutletOffPin = 12;


void setup() {
    pinMode(OutletOnPin, OUTPUT);
    pinMode(OutletOffPin, OUTPUT);
    digitalWrite(OutletOnPin, LOW);
    digitalWrite(OutletOffPin, LOW);
}

void on() {
    digitalWrite(OutletOnPin, HIGH);
    delay(2000);
    digitalWrite(OutletOnPin, LOW);
}

void off() {
    digitalWrite(OutletOffPin, HIGH);
    delay(2000);
    digitalWrite(OutletOffPin, LOW);
}

void loop() {
    on();
    delay(5000);
    off();
    delay(5000);
}