score:3
Cittas are classified in various ways. One such classification is according to their nature. In this classification we have:
Therefore,
Upvote:2
The consciousness of an Arahant is ethically indeterminate so he does not accumulate Kamma.
From The Abhidhamma in Practice --
For the Arahant, the liberated one, the cittas that arise in him can no longer be associated with any unwholesome roots. The cittas that the Arahant experiences are neither wholesome nor unwholesome, as he does not generate any further kamma; his cittas are exclusively indeterminate.
and:
The universals and particulars are, in themselves, ethically indeterminate but become wholesome, unwholesome, or neither, depending on the state of consciousness in which they occur.