- Fusion splicing involves the precise alignment and fusion of two fibre optic cables using heat to melt and merge their ends together. - The fusion process creates a seamless connection between the fibres, minimising signal loss and ensuring efficient data transmission. The Telecommunications Industry Association (TIA-568. Before you begin, you'll need: Pro Tip: Always use manufacturer-recommended consumables. Low-quality. In this comprehensive guide, we will delve into when and why you need to splice fiber optic cables, discuss how you can maintain cleanliness during the process, and walk you through the steps of fusion splicing, step by step. Static electricity can build up in your clothes and body, so the use of anti-static wrist straps and/or an anti-static mat may help in preventing this from happening.