Fibre optic interconnecting devices and passive components - Reliability. Design of an acceptance test for fibre pistoning failure of connectors during temperature and humidity cycling. Demarcation analysis1 Scope This part of IEC 62627 gives an example of the design of an acceptance test for ferrule style connectors when the dominant failure mode is fibre pistoning. The example applies to connectors which use epoxies or other adhesive polymers to bond the fibre into a ferrule. It combines existing evidence, mechanistic hypotheses and the demarcation approximation to develop an accelerated environmental exposure sequence that can be used on a pass only

For an embedded rail with an adhesive fastening system the test procedure measures the longitudinal stiffness

6 Acceptance

BS EN 4339 specifies the requirements relating to Heat resisting alloy CO-WH4001 (CoCr29W9) Filler metal for welding Wire and rods for aerospace applications

Appendix A in BS 5226 gives recommendations for the design

BS 16000 provides a much needed generic

— breathing systems and driving gases

"maximum rated load (for the rescue harness)" have been incorporated

— engineering and commissioning tools

Packaging and labelling Storage and despatch of samples

BS 8000-8 on the workmanship on building sites is useful for:

iv) Field marketing

Carry out sampling