I do ENSHIN karate.
Yes we spar full contact but not at full power.
That is determined by the users.
Say me (Shodan) is sparring 1st Kyu or above then its 75-80% most nights.
If I am sparring lower grades than that then I use much less power and work on technique. Going full power in class is only going to get people hurt.
Wow, MilkManX you're on as many forums as I am, LOL (but you kept the same Tag on them)