What are the three splice closure types commonly used?

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Splice closures are categorized by how they join cables in a splice, with three common configurations: straight inline closures, branch closures, and butt closures. A straight inline closure is used when two cable runs are joined in a straight path, an inline continuation of the same route. A branch closure handles a trunk that splits into two or more directions, accommodating a branching or multiple drop scenario. A butt closure splices two cable ends end-to-end, typically in a compact space where a direct end-to-end connection is needed.

These three cover the primary field scenarios you’ll encounter: extending a run, diverting to another path, and reconnecting two cable ends. The other options describe enclosure shapes or different branching concepts rather than the standard functional closure types, so they don’t represent the three common splice closure styles.