Description
Monster Overview:
Keep your low-gauge wire connections safe, strong, and sealed with SES Opti-Seal™ Red Crimp and Seal Butt Connectors. Designed for 22–18 AWG wire, these high-performance connectors combine a crystal-clear heat shrink body with a seamless copper barrel for full visibility and maximum electrical performance.
These waterproof* connectors are made in the USA and fully RoHS compliant, featuring a red identification stripe for quick wire gauge recognition and fast installation across automotive, trailer, marine, and general wiring projects.
Monster Features:
- Brand: SES Opti-Seal™
- Connector Type: Crimp and Seal Butt Connector
- Seal Type: Crimp & Seal with adhesive-lined heat shrink tubing
- Made in: USA
- Visual Inspection: Clear polyolefin tubing allows full view of crimp and seal integrity
- Tubing: Crystal-clear, adhesive-lined with 3:1 shrink ratio
- Waterproof Rating: IP67 when properly installed*
- Compliance: RoHS compliant – lead-free and safe for use in regulated environments
Monster Specifications:
- Color Code: Red Stripe
- Wire Gauge: 22–18 AWG
- Part #: OS55-16
- Seam Type: Seamless barrel
- Material: Tinned copper + adhesive-lined heat shrink tubing
Installation Instructions:
- Strip both wires to 5/16" (8 mm)
- Insert each wire fully into the barrel
- Crimp securely using a ratcheting crimp tool
- Apply heat evenly until tubing shrinks and adhesive fully seals around the wire insulation
For best results: Use a heat device capable of 1000 °F (538 °C). Avoid overheating and flame isolation—rotate the connector to ensure full, even shrink and seal.
Order Yours Today from Monster Bolts!
Get dependable performance and fast installs with SES Opti-Seal Red Butt Connectors. Trusted by professionals across industries, and always shipped fast from Monster Bolts!
* There is no official UL standard for “waterproof” electrical connectors. When properly installed, these connectors typically meet IP67: dust-tight and protected from temporary immersion (15 cm to 1 m for up to 30 minutes).