Stranded for flexible routing, solid for conduit THHN/THWN dual-rated — check both tables
Ampacity depends on installation method
PRODUCT OVERVIEW
The WB-4-0 is a the manufacturer industrial component. Key specifications include color: BLACK FIRST POSITION COVER SINGLE CONDUCTOR, material: PLASTIC POLYVINYL CHLORIDE (PVC) FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR, conductor_form: STRANDED SINGLE CONDUCTOR, round_conductor_size: 4 AWG SINGLE CONDUCTOR, cross-sectional_shape_style: ROUND, specification/standard_data: 81343-SAE J1127 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-01-229-3621, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
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FREQUENTLY ASKED QUESTIONS
What is WB-4-0?
WB-4-0 is a WB-4-0. It is classified as a MRO (MRO_GENERAL).
What parts can replace WB-4-0?
There are 25 known substitutes for WB-4-0: 8104, SGT, 6 AWG, BLACK, SAE-J1127 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for WB-4-0?
WB-4-0 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-01-229-3621. This indicates validated use in U.S. government and defense supply chains.
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