Here’s a secret: anyone can pull a fiber cable. But only a professional can certify its performance. The difference is a test called OLTS. An amateur installer skips this, leaving you to discover the "mystery" bugs and slow speeds after they've cashed your check. This article explains why this test is non-negotiable for all professional fiber optic installations. Don't pay for an amat... https://www.cablingindfw.com/how-olts-improves-fiber-optic-installation-accuracy/