# Hubbell HBL28W78 Twist-Lock Plug, 30A 120/208V, NEMA L18-30P, 3-Phase Wye, Watertight - MROSupply.com

***Hubbell HBL28W78 Twist-Lock plug rated 30A 120/208V with NEMA L18-30P configuration for 3-phase wye applications. Watertight construction provides reliable performance in wet environments. 4-pole 5-wire grounding design.***



## Product details:

- Catalog number: HBL28W78
- SKU: 5018076
- Price: ***$108.57*** Each
- Quantity: This vendor has a minimum order quantity of
4.Order minimum ($) may be applied.
Add desired QTY to cart and proceed to checkout to view minimum'

- Brand Minimum Order Quantity - 4
(This is the minimum order quantity if ordering this unit alone
from the vendor. Adding other products from the same vendor will reduce
the overall requirement. If adding multiple products from same vendor,
please add all products to cart to see total minimum.)
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Hubbell Wiring](https://www.mrosupply.com/brands/hubbell-wiring/)
- Category: 
    - [Twist Lock Plugs](htts://www.mrosupply.com/electrical/plugs-and-receptacles/twist-lock-plugs/)
    - [Plugs and Receptacles](htts://www.mrosupply.com/electrical/plugs-and-receptacles/)
    - [Electrical](htts://www.mrosupply.com/electrical/)
- Unit of measure: each
- Technicall support: contact supplier for technical support on jruvalcaba@hubbell.c


## Product images:
- https://static.mrosupply.com/images/noimage.webp


## Product attributes;

  
- Amperage: 30 A
  

  
- Color: Yellow
  

  
- Current / amperage rating: 30 A
  

  
- Dimensions: 2.77 in x 2.77 in x 3.94 in
  

  
- Height: 3.94 in
  

  
- Industry Standard(s): Meets NEMA WD-1, WD-6 And ANSI Standards
  

  
- Item type: 30A Watertight Twist-Lock Plug
  

  
- Length: 2.77 in
  

  
- Nema Rating: L18-30P
  

  
- Number of poles: 4-Pole
  

  
- Number of wires: 4-Wire
  

  
- Type: Plugs
  

  
- Voltage: 3-Phase Y 120/208 VAC
  

  
- Voltage rating description: 3-Phase Y 120/208 VAC
  

  
- Width (in): 2.77
  

  
- Wire size: 8/3 S, 8/4 S, 10/5 S
  
## Product documents / software:

- [Catalog Page](https://documents.mrosupply.com/product_documents/HB/HBL29W47/C-7_tQak5Rj.pdf)
- [HBL28W78 Hubbell Wiring](https://documents.mrosupply.com/product_documents/50/18/5018076/3f52868107aeff9ccbc9fcdb943c7f65f003ea308d69ac_psGyGLv.pdf)
- [HBL28W78 Hubbell Wiring](https://documents.mrosupply.com/product_documents/50/18/5018076/Wiring_Device_Kellems_HBL27W74_Catalog_kcBjxY4.pdf)
- [Installation Instructions](https://documents.mrosupply.com/product_documents/HB/HBL29W47/35CPD2635_UJc9oNA.pdf)
- [Product Drawing DWG](https://documents.mrosupply.com/product_documents/HB/HBL28W08/25CM12627_ACAD_vfyiFAr.dwg)
- [Product Drawing PDF](https://documents.mrosupply.com/product_documents/HB/HBL26W09/15CM12627_VK4GENo.pdf)
## Suggested products:
- [Hubbell HBL28W77 Twist-Lock plug rated 30A at 600V with NEMA L17-30P configuration. This 3-pole 4-wire grounding device features a watertight design for wet or damp locations. The yellow nylon housing provides durability and high visibility. Ideal for industrial locking applications requiring a 600V rated plug.](https://www.mrosupply.com/products/5018073/as-markdown/)
- [Hubbell HBL28W48 Twist-Lock Plug, 30A 250V, NEMA L6-30P, 2-Pole 3-Wire Grounding. Industrial grade locking plug with yellow nylon housing for durability and secure connections in commercial and industrial applications.](https://www.mrosupply.com/products/5018061/as-markdown/)
- [Hubbell HBL29W48 Twist-Lock receptacle, 30A 250V, NEMA L6-30R, 2-Pole 3-Wire Grounding, yellow nylon housing. Industrial grade locking device for secure, vibration-resistant connections in commercial and industrial applications.](https://www.mrosupply.com/products/5018085/as-markdown/)
- [Hubbell HBL29W47 Twist-Lock Receptacle, 30A 125V, NEMA L5-30R, 2-Pole 3-Wire Grounding. Yellow nylon housing provides durability and color-coded identification for industrial and commercial applications requiring a secure locking connection.](https://www.mrosupply.com/products/5018083/as-markdown/)
- [Hubbell HBL28W81 Twist-Lock plug rated 30A at 120/208V AC with NEMA L21-30P configuration for 3-phase wye applications. Watertight construction with yellow nylon housing provides durability and weather resistance. 4-pole 5-wire grounding design ensures reliable power delivery in industrial and commercial environments.](https://www.mrosupply.com/products/5018077/as-markdown/)

## Product's reviews:
- Rj600 - .Right box for my project . Got it delivered very quick.
- Not bad - Unfortunately the mounting holes for this receptacle did not match the Arlington DBVS2C-1 Low Profile IN BOX Electrical Box. Otherwise it is a nice product.
- Helpful and good service - Even when I mistakenly ordered the incorrect product, they quickly organised the RMA and paperwork so I could ship right back. Found them very helpful
- Thank you for carrying hubble and wiremold - With Hubble I am able to meet UL a smaller conduit for four #6 THHN wires than if I used Wiremold. The Hubble version is hard to obtain because Wiremold dominates this sector.