3M™ DBO/B-6 series direct bury splice kit electrically connects 2 or more pre-stripped copper wires and moisture seals the connection for direct-burial applications. The kit seals the wiring that is rated up to 600 V. It is suitable for water-intensive applications such as golf courses, irrigation controls and outdoor lighting. Premium splice designed to connect and moisture seal electrical connection for direct bury applications, rated up to 600 V. The 3M™ direct bury splice kit DBO/B-6 (Bulk) combines the quick, reliable connection of a 3M™ spring connector O/B with the moisture resistance of a high-impact, UV-resistant tube prefilled with moisture-resistant grease. It is UL listed for direct bury. Excellent for use with irrigation systems on golf courses and around business and homes. Also good for outdoor lighting systems. 100 per box.