Monster Overview: Tackle low-gauge wire connections with NSPA Krimpa-Seal™ Sealed Red Butt Connectors, trusted by professionals for fast, waterproof splicing. Designed for 22–18 AWG wires, these connectors feature seamless copper barrels and heat-activated adhesive lining for a long-lasting seal. Ideal for electronics, automotive, marine, and general wiring projects, these connectors are made in the USA and meet RoHS standards. Get the job done right—with Krimpa-Seal reliability you can trust. Monster Features: Brand: NSPA Krimpa-Seal™ Connector Type: Sealed Crimp Butt Connector Seal Type: Crimp & Seal – no solder needed Made in: USA Barrel: Seamless copper for strong electrical connection Tubing: Adhesive-lined polyolefin, 3:1 shrink ratio Waterproof Rating: IP67 when installed correctly* Compliance: RoHS compliant Monster Specifications: Color Code: Red Wire Gauge: 22–18 AWG Part #: KS5-16 Type: Crimp & Seal with heat shrink tubing Seam Type: Seamless Installation Instructions: Strip both wires to 5/16" (8 mm) Insert wires fully into the barrel Crimp using a ratcheting crimp tool Apply heat evenly until tubing shrinks and adhesive flows For best results: Use a heat source rated at 1000 °F (538 °C). Avoid isolating flame or overheating—distribute heat evenly over the tubing. Order Yours Today from Monster Bolts! NSPA Krimpa-Seal connectors are engineered for dependable electrical performance in harsh conditions. Shop now for fast shipping and expert support. * There is no official UL standard for “waterproof” electrical connectors. These connectors typically meet IP67: fully dust-tight and resistant to temporary immersion (15 cm to 1 m for up to 30 minutes) when properly installed.