ETA Fiber Optics Certification Exam - Questions and Answers

ETA Fiber Optics Certification Exam - Questions and Answers The NEC is updated every _____ years 3 If the cable has a metallic members what does the NEC require at termination points? Bonding/ ground points What kind of cable kit branches the fibers contained in a loose tube fiber optic into 900 micron outside diameter protective tubes? Fan out kits Most single mode fiber ends are terminated onto factory made _____ and spliced to the fiber cable Pig tails What type of loss can be greatly reduced by using an optically transparent index matching gel having a reference index the same as or very near my that of the optical fibers? Fresnel reflection This termination technique depends on the quality of the cleaving tool for optimum performance No polish When installing cable it is recommended that _____ be available for future changes and restorations Slack What is not required with cable management productions Specifying fiber types Light source used to test multimode local area network normally use what type of electro-optical component LED & VCSEL What instrument is used for the visual inspection of fiber optic end faces? Inspection scope In the NEC article 770 it states that unlisted cable shall extended no more than how many feet inside the structure before transitioning to listed cables? 50 ft Which article of the NEC requires that any electrically conductive materials that are likely to become energized like metal armor and or metal strength members of an optical fiber cable shall be bonded and grounded at the point of entrance into a building or residence Arrival 250 What does NEC stand for? National electrical code If the bend radius of a cable is not known what is the generally accepted dynamic bend radius 20 times What class of laser has the lowest power and the fewest hazards associated with it Class 1 When visually inspecting the end face of a connector with an inspection microscope where are the minor defects allowed Outter-cladding If you have a cross section of a fiber optic cable where is the cladding? Middle What is the acronym for laser? Light amplification stimulated emissions of radiation What does OFCR mean? Optical fiber conductive riser What are 3 fiber fabrications to making a preform? Mcvd OVD VAD What is the diameter of the acrylate coating? 250 microns There are three types of dispersion what are they Modal chromatic waveguide What component of an optical power meter converts light into electrical energy? Photodiode What is the purpose of cladding? To insure total internal reflection Which class of lasers has the highest power and is used for surgery, research, drilling, cutting, welding, and micro machining