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)