Dominance of outflowing electric currents on decaparsec to kiloparsec scales in extragalactic jets Dimitris M. Christodoulou, Denise C. Gabuzda, Sebastian Knuettel, Ioannis Contopoulos, Demosthenes Kazanas and Colm P. Coughlan A&A, 591 (2016) A61 Published online: 13 June 2016 DOI: 10.1051/0004-6361/201527448