Fill a skillet with oil about 2 inches deep and heat to approximately 375 degrees.
Wash and grate zucchini and place in colander. Sprinkle with salt and let sit for about 15 minutes. Then place zucchini in a clean dish towel to wring out extra water.
In a bowl, mix together flour, ranch dressing powder, baking powder, egg and milk, then fold in zucchini.
When oil is hot, drop a rounded Tablespoon of batter into the oil. Fry until both sides of the fritter are golden brown..
Remove fritter from oil, drain on paper towel.