[1] Extended Centronics Port

[2] Enhanced Capabilities Port (Microsoft)

[3] Electromagnetic Compatibility Program

[4] Engineering Change Proposal

[5] Engineering Change Program

[6] Engineering Control Proposal

[7] Engineering Control Program

[8] Ecole Centrale Paris (F, http://www.ecp.fr/)

[9] PPP Encryption Control Protocol (siehe RFC 1968)

[10] Explicit(ly) Coded Program (->"NASA Acronym List").