Wire Works - Two Conductor Hookup Wire - #22 Gauge - 30' - Black

PowerFLEX™ - Cord & Cable Assemblies

Layout Wire and Lighting For use with your scale model railroad Each roll contains 50 feet of 5 conductor stranded ribbon wire that can be used with any scale Atlas switch machines. Also can be used as layout wire.

Atlas 312 50 ft. 5-Conductor Ribbon Wire

22 awg Silicone Electrical Wire 2 Conductor Parallel Wire line 200ft [Black 100ft Red 100ft] 22 Gauge Soft and Flexible Hook Up Oxygen Free Stranded Tinned Copper Wire

Marklin - Single-Conductor Wire - 33' 10.1m - Red - 441-7105

2pin Extension Wire 18 20 22 Awg Silicone Electrical Wire 2 - Temu

8451 010100 Belden Inc., Cables, Wires

Wire Works 1C Wire 22 Gauge 90' Red Model Train Lighting /

This is an Atlas 317 Green 50' Standard 20 Gauge Layout Wire. This spool includes 50 feet of 20 gauge stranded wire. This size wire is great for power to HO & N layouts and for lights, turnouts, and accessories on any scale layout.

Layout Wire - 50 Feet Green

Atlas O 6938 15' Signal Cable This is for 3-rail and 2-rail signal operation. This includes 6 pin modular connectors.

Atlas 6939 O 25' Signal System Cable

Electronix Express- Hook Up Wire Kit (Solid Wire Kit) 22 Gage (25 Feet)

Connecting 2 different wire sizes

how common is it to use speaker wire for DC wiring?