John shares his knowledge of fiber optics by answering your specific questions List of Ask Bruno Questions How can I trace the path of buried loose tube fiber? When do I use an Optical Loss Test Set (OLT)? What is more cost-effective, using cable assemblies or assembling & polishing connectors in the field? What is the most important quality to look for in a cleaver? Inspecting connector endfaces FTTH installations Do I need to use riser-rated or plenum-rated cable? Hot Melt Connector Using In An Existing Oven Singlemode & Multimode installation costs Can I also send video from building B back to building A on the same singlemode fiber? What do you recommend how I should terminate odd-sized fiber? What does this classification mean for testing fiber optic cables with LASERs? Do you have any "universal" tips for using an OTDR? 3 types of Splicers, which one is better? Advantages/Disadvantages for using splice on and mechanical connectors? What are the specifications for pull strength on a fiber optic connector? Should I bond and ground an armored fiber cable? Does CWDM technology support 6 or 18 channels?? Will the SFP work for long distances? Ghost on an OTDR? What are the optical bands for transmission? How do I scope and clean MPO connectors?