Engineering notes

Cable and telecom deployment articles

Practical notes on 5G NR backhaul, ORAN handoff, DWDM reach, PoE++ heat, PIM field issues, and FTTH outside plant reliability.

Fiber / PoE / RF

Heat Shrink Tubing Order Checklist: 7 Steps to Get It Right the First Time

2026-09-18 · SouthWire Pro engineering

A 7-point checklist for ordering heat shrink tubing for cable insulation, electronics, and automotive wiring — written by a distributor rep who triages 400+ rush orders a year. Covers shrink ratio, temperature rating, adhesive-lined vs. plain, approvals, and why small orders shouldn't get treated like a nuisance.

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