These are specialized, heat-activated butt splice connectors designed to securely splice, solder, and insulate electrical connections without the need for manual crimping or welding.Standard Color Coding and Wire SpecificationEach color in the compartment corresponds to a specific wire thickness range (American Wire Gauge / AWG):
White Connectors: Fits micro-electronic and signal wires from 26–24 AWG (0.25–0.34 mm2).
Red Connectors: Fits standard automotive and sensor wires from 22–18 AWG (0.5–1.0 mm2).
Blue Connectors: Fits accessory, lighting, and power wires from 16–14 AWG (1.5–2.5 mm2).
Yellow Connectors: Fits higher-draw load and power distribution wires from 12–10 AWG (4.0–6.0 mm2).