Chapter 1: Purification (Kitab Al-Taharah)
Narrated Ibn 'Abbas: A tradition from the Prophet (sal Allaahu alayhi wa sallam ) conveying similar meaning. The version of Jarir has the wording: "he did not cover himself while urinating."The version of Abu Mu' awiyah has the wording: "he did not safeguard himself (from urine)."
Sunan Abi Dawud 21