
3M™ Direct Bury Splice Kit
DBO/B-6
Data Sheet January 2011
Applications
Agency
Approvals
& Self
Certifications
Specifications
The 3M™ Direct Bury Splice Kit DBO/B-6 is used to electrically connect two or more pre–
stripped copper wires and moisture seal the connection for direct burial.
The kit includes a 3M™ Performance Plus Wire Connector O/B+ and a high impact, UVresistant polypropylene tube prefilled with moisture-resistant grease.
Meets requirements of: UL Standard 486D
C UL US Listed, File No. E102356
Listed for use in wet, damp, direct bury and submersible locations with UF type cable
RoHS 2002/95/EC
RoHS Compliant 2002/95/EC” means that the product or part (“Product”) does not contain any of the substances in excess of the maximum
concentration values in EU Directive 2002/95/EC, as amended by Commission Decision 2002/618/EC, unless the substance is in an application
that is exempt under RoHS. This information represents 3M’s knowledge and belief, which may be based in whole or in part on information
provided by third party suppliers to 3M.
Maximum Voltage Rating: 600 V
Application Temperature: 32°F to 120°F (0°C to 49°C)
Maximum Operating Temperature: 221°F (105°C)
Construction:
Tube: Impact and UV Resistant Polypropylene
Grease: 711B
O/B+ Connector: Steel Spring, Flame Retardant Insulator
Common AWG Wire Combinations
2-3 #16 sol/str 1 #18 to 1-2 #14 sol/str 3-6 0,75 mm2 sol/str
2-3 #14 sol/str 1 #18 to 1-2 #12 sol/str 2-6 1,0 mm
2 #12 sol/str 1 #16 to 1-2 #14 sol/str 2-4 1,5 mm
1 #14 to 1 #12 sol/str 1 #16 to 1-2 #12 sol/str 2-3 2,5 mm
(CU only) Metric Wire Combinations (CU only)
2
sol/str
2
sol/str
2
sol/str
*See Chart for all Combinations* *Only AWG sizes are UL LISTED
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3M™ Di
rect Bury Splice Kit DBO/B-6
Installation Instructions
Warning
Turn power off before installing or removing connector. All electrical work should
be done according to appropriate electrical codes.
5/8” (15,0 mm) - 18-16 AWG
1/2” (12,7 mm) - 14-12 AWG
Installation Tip:
If having difficulty pushing the connector to the bottom of the tube, use a rigid, thin piece of non-
conductive material to help push the connector down. Once the connector is on the bottom, remove the
material and fill in any voids left in the grease.
Substitute for 3M™ Direct Bury Splices DBY and DBY-6
Combination Chart:
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3M™ Direct Bury Splice Kit DBO/B-6
Shelf Life &
Storage
Availability
Important Notice
Warranty; Limited
Remedy; Limited
Liability
3M is a trademark of 3M Company.
The 3M™ Direct Bury Splice Kit DBO/B-6 has a 5-year shelf life from date of
manufacture when stored in a humidity controlled storage (10°C/50°F to 27°C/80°F
and <75% relative humidity).
From your local distributor; or from 3M.com/electrical [Where to Buy] or call
1.800.245.3573.
All statements, technical information, and recommendations related to 3M’s products are based on information
believed to be reliable, but the accuracy or completeness is not guaranteed. Before using this product, you must
evaluate it and determine if it is suitable for your intended application. You assume all risks and liability
associated with such use. Any statements related to the product, which are not contained in 3M’s current
publications, or any contrary statements contained on your purchase order, shall have no force or effect unless
expressly agreed upon, in writing, by an authorized officer of 3M.
This product will be free from defects in material and manufacture at the time of purchase. 3M MAKES NO
OTHER WARRANTIES INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. If this product is defective within the
warranty period stated above, your exclusive remedy shall be, at 3M’s option, to replace or repair the 3M product
or refund the purchase price of the 3M product. Except where prohibited by law, 3M will not be liable for any
indirect, special, incidental or consequential loss or damage arising from this 3M product, regardless of the legal
theory asserted.
3
Electrical Markets Division
6801 River Place Blvd.
Austin, TX 78726-9000
800.245.3573
FAX: 800.245.0329
www.3M.com/electrical
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