Description
Monster Overview:
Step down without sacrificing performance using SES Opti-Seal™ Step-Down Butt Connectors. This crystal-clear 12–10 AWG to 8 AWG connector features a seamless barrel, internal wire stop, and color-coded strip markers for fast, accurate installations.
The transparent design allows you to visually inspect crimp placement and shrink coverage before and after sealing. These USA-made, RoHS compliant connectors are trusted for marine, automotive, trailer, and industrial applications where secure, moisture-resistant splices are a must.
Monster Features:
- Brand: SES Opti-Seal™
- Connector Type: Step-Down Butt Connector
- Seal Type: Crimp & Seal with adhesive-lined heat shrink tubing
- Made in: USA
- Visual Inspection: Crystal-clear tubing allows for easy visual verification
- Design: Internal wire stop and color strip indicators (Yellow/Red)
- Tubing: Adhesive-lined polyolefin, 3:1 shrink ratio
- Waterproof Rating: IP67 when properly installed*
- Compliance: RoHS compliant
Monster Specifications:
- Color Code: Clear with Yellow / Red strip marker
- Wire Size Compatibility: 12–10 AWG to 8 AWG
- Part #: OS56-10
- Seam Type: Seamless barrel with internal wire stop and clear inspection window
- Material: Tinned copper + adhesive-lined tubing
Installation Instructions:
- Strip both wires to 5/16" (8 mm)
- Insert wires into the correct sides of the connector
- Crimp using a ratcheting crimp tool
- Apply heat evenly until tubing shrinks and adhesive seals fully around the connection
For best results: Use a heat source of at least 1000 °F (538 °C). Distribute heat evenly, avoid flame isolation or overheating one area.
Order Yours Today from Monster Bolts!
SES Opti-Seal connectors provide clear visibility, secure sealing, and reliable step-down splicing. Perfect for pro-level repairs—now available at Monster Bolts with fast U.S. shipping.
* There is no official UL standard for “waterproof” connectors. When properly installed, these connectors typically meet IP67: fully dust-tight and protected from temporary immersion (15 cm to 1 m for up to 30 minutes).