Differential CT’s Home › Electrical Engineering Forum › General Discussion › Differential CT’s This topic has 1 reply, 2 voices, and was last updated 11 years, 9 months ago by Spir Georges GHALI. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts 2013/02/02 at 5:33 pm #10943 john2mccParticipant what is the purpose of a differential CT versus using regular ct 2013/02/03 at 12:41 pm #13237 Spir Georges GHALIParticipant @john2mcc said: what is the purpose of a differential CT versus using regular ct Dear ; Do you mean the Special CT used with ” Differential Protection ” or ” Earth Leakage Protection ” ? Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In