What is the wire gauge requirement for the SEDA system? March 20, 2026 18:14 Updated AnswerIt is recommended you use 18 gauge, non-shielded, plenum wire up to 250 ft.Applies ToSEDA Related articles What types of installations can the SEDA hinge be used on? SPSE Electrified Mortise Locks Installation Instructions 7400 Series Templates and Instructions QED/QET/QRT 300 Series Exit Device and Trim Templates, Instructions and Specifications What size is the SEDA-SPLB-1 Splice Box?