Legally speaking, a no contest plea has the same effect as a guilty plea on a conviction when it comes to sentencing. The only significant difference between a guilty plea and a nolo (no contest) plea is the effect on a related civil issue.A no contest plea is similar to a guilty plea. When you plead no contest, you technically admit that you are guilty of the crime being charged. You should never enter a guilty plea at your arraignment. By doing so, several factors may result in serious penalties and possibly a permanent criminal record. It's equivalent to the state as you aren't contesting the charges against you and the court mostly treats it the same as a guilty plea. INSTRUCTIONS: Fill out this form if you wish to plead guilty or no contest to charges against you. It means that you aren't contesting the charges against you. The results are usually the same as a guilty plea.