Home
Job Track

For 24-HOUR EMERGENCY SERVICE: 

(610) 312-8100 or (877) 312-8100

Featured Products
Line Card
Schneider EZ Selector Tool
Quick Order
Home
Home
Featured Products
Line Card
Schneider EZ Selector Tool
Quick Order
loading content
Hubbell Wiring Device-Kellems HBL4779VBK Locking Connectors
Documents
Catalog
Full Engineering Drawing
Instruction/Installation Manual
Specification Sheet
HubbellHubbell Wiring Device-Kellems

Hubbell Wiring Device-Kellems Twist-Lock® Valise® HBL4779VBK Grounding Locking Connector, 277 V AC, 15 A, 2 Poles, 3 Wires, Black

Sku #78358504332

MFG #HBL4779VBK

Attributes

Type:Grounding
Amperage Rating:15 A
Number of Wires:3
Voltage Rating:277 V AC
Number of Poles:2
NEMA Rating:NEMA L7-15R
Documents
Catalog
Full Engineering Drawing
Instruction/Installation Manual
Specification Sheet
Hubbell Wiring Device-KellemsHubbell Wiring Device-Kellems Twist-Lock® Valise® HBL4779VBK Grounding Locking Connector, 277 V AC, 15 A, 2 Poles, 3 Wires, Black
SKU #78358504332
MFG #HBL4779VBK
Please Log In or Register to view pricing.

Keep up to date with the latest products, special offers and news.

Colonial Electric Supply and it's divisions is a product supplier only. We do not serve as project engineers. Rather, we work with project engineers towards their design goals. We expect customers to obtain and use products in accordance with the manufacturer's intended use. We are not responsible for product malfunction due to misuse, with the exception of replacement per stated warranty conditions.

For 24-HR EMERGENCY SERVICE please call:

(610) 312-8100 or (877) 312-8100

Resources

LED CatalogSchneider EZ Selector ToolTerms & ConditionsPrivacy Policy

Company

About UsCareersCharity & CommunityCoStars

Support

Contact UsLocationsReturns Policy

Divisions

Colonial TelTekColonial Major ProjectsBright Light Annapolis Lighting
© 2026 Colonial Electric Supply. All Rights Reserved.