HUBBELL Straight Blade Plug: 15-20P, 250V AC, 20 A, 3 Pole, 4 Blade, Black/White (MPN HBL8421C)
SKU 3G-OTH-14106
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Frequently Asked Questions
What is the HUBBELL HBL8421C straight blade plug used for?
The HUBBELL HBL8421C is a 20 A, 250 V AC straight blade plug designed for industrial and commercial power connections. It is commonly used with generators, welders, and heavy-duty equipment requiring a 3-pole, 4-blade configuration. Its angled body reduces strain on the cord and fits tight spaces.
What are the specifications of the HUBBELL HBL8421C plug?
The HUBBELL HBL8421C is a 20 A, 250 V AC straight blade plug with 3 poles and 4 blades. It features a black/white nylon housing and is rated for NEMA 15-20P configurations. The angled design provides strain relief and durability for industrial environments. 3G Electric supplies this MPN HBL8421C globally.
Where to buy the HUBBELL HBL8421C plug worldwide?
3G Electric supplies the HUBBELL HBL8421C straight blade plug worldwide. As a global industrial distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this MPN HBL8421C. We source and deliver to any country.
How to install the HUBBELL HBL8421C angled plug?
To install the HUBBELL HBL8421C, first strip the cord jacket and individual conductors to the recommended lengths. Connect each conductor to the corresponding terminal screw (line, neutral, ground) per the wiring diagram. Tighten the cord clamp to secure the cable, then close the housing. Always follow local electrical codes.
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3G Electric supplies HUBBELL angled plugs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















