# Cable sourcing guides

- [How to Specify a Custom D-Sub Cable: Pin Assignment, Shielding, Connector Conversion & Testing](https://devcable.com/blog/how-to-specify-custom-d-sub-cable/index.md): Specify custom DB9, DB15 and DB25 cable assemblies with clear pinouts, twisted-pair assignments, shielding, connector conversions, testing and RFQ requirements.
- [ESP Cable vs Motor Lead Extension (MLE): What’s the Difference?](https://devcable.com/blog/esp-cable-vs-mle/index.md): Compare ESP main cable vs Motor Lead Extension (MLE), including installation position, construction, temperature, pothead connection and sourcing requirements.
- [EPR vs EPDM vs HEPR Cable Insulation: Properties, Temperature Ratings & Applications](https://devcable.com/blog/epr-vs-epdm-vs-hepr-cable-insulation/index.md): Compare EPR, EPDM and HEPR cable insulation terminology, temperature ratings and application requirements to specify power, industrial and pump cables.
- [PVC vs PE vs XLPE Cable Insulation: Properties, Differences & Applications](https://devcable.com/blog/pvc-vs-pe-vs-xlpe-cable-insulation/index.md): Compare PVC, PE and XLPE cable insulation by electrical, thermal, mechanical, moisture and fire behavior, cost and applications. See selection and RFQ criteria.
- [ETFE vs FEP vs PFA Cable Insulation: Properties, Temperature Ratings & Applications](https://devcable.com/blog/etfe-vs-fep-vs-pfa-cable-insulation/index.md): Compare ETFE, FEP and PFA cable insulation by temperature, chemical exposure, mechanical strength and electrical properties, with application limits and selection advice.
- [Shielded Cable Selection Guide for Industrial Automation Projects](https://devcable.com/blog/shielded-cable-selection-guide/index.md): Choose shielded cable for control, instrumentation and automation. Compare foil and braid, grounding, flexing and RFQ inputs without assuming EMI or compliance guarantees.
- [Why Source Electrical Cables from China in 2026?](https://devcable.com/blog/why-choose-chinese-cable-manufacturer/index.md): A guide for international buyers evaluating Chinese cable manufacturers: verify certificate scope, compare specifications, and review MOQ, logistics and quotation inputs.