ISO/IEC 14763-3:2014(E) specifies systems and methods for the inspection and testing of installed optical fibre cabling designed in accordance with premises cabling standards including ISO/IEC 11801, ISO/IEC 24764, ISO/IEC 24702 and ISO/IEC 15018. The test methods refer to existing standards-based procedures where they exist. This second edition cancels and replaces the first edition published in 2006 and its Amendment 1:2009. It constitutes a technical revision. This edition includes the following changes:- general requirements have been revised; - OTDR characterization (6.2) and requirements for cabling interface adapters and test cords have been revised; - enhanced three-test-cord reference method has been introduced; - information on optical time domain reflectometry (Annex C) has been revised; - examples of calculations of channel and permanent link limits (Annex G) have been revised and information regarding cleaning and inspection of fibre optic connections have been added (Annex H).