NSPA OptiSeal Waterproof Butt Connectors, Crystal Clear Tubing w/ Yellow Stripe, 10-12 AWG.

Yellow crimp and seal butt connectors.  These are waterproof* OptiSeal crystal clear heat shrink butt connectors from NSPA.  These connectors are are fully RoHS compliant and made in the USA. There simply is no better product made. 

• Color: Crystal Clear with Yellow Stripe
• Wire Size: Yellow (12-10 AWG)
• Part #: OS55-10
• Product Name: SES Opti-Seal, Sealed Crimp Butt Connector
• Type: Crimp and Seal with Heat Shrink Tubing
• Seam Type: Seamless

INSTRUCTIONS:

1. Strip both wires, wire length 5/16" (8mm)
2. Insert wire into barrel 
3. Crimp wire to barrel 
4. Heat tubing 

For best results: Use heat device of at least 1000°F/538°C. Don’t overheat tubing. Don’t isolate flame. Distribute heat evenly over tubing. 

NOTE : Crimping tool and Heat Source to reduce tubing and seal connector needed.  Butane Torch and Ratcheting Crimp tool recommended.  Questions, Please ask.

* There is no official UL Standard for 'waterproof' electrical connectors. Connectors would most likely fall in the IP67 range (IP - Ingress Protection, 6 - Totally protected against dust, 7 - Protected against the effects of temporary immersion between 15cm and 1m. Duration of test 30 minutes)