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The Hubbell-Raco 8257 is a robust 4-11/16 inch welded steel square electrical box, 2-1/8 inches deep, featuring 1/2" and 3/4" side knockouts plus 15 TKO's. Designed for commercial and industrial use, it supports larger conductors and wiring devices, enabling faster installation with combination screw heads and safe operation up to 600 volts without a bonding jumper.

| ASIN | B002YDURPY |
| Best Sellers Rank | #423,867 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,054 in Electrical Boxes |
| Brand | RACO |
| Brand Name | RACO |
| Color | Steel |
| Customer Reviews | 4.2 out of 5 stars 97 Reviews |
| Finish Type | Unfinished |
| Global Trade Identification Number | 00050169002575 |
| Included Components | household-thermostat-accessories |
| Installation Type | hardwired |
| Item Dimensions D x W x H | 2.19"D x 4.69"W x 4.69"H |
| Item Weight | 1.1 pounds |
| Manufacturer | Hubbell |
| Material | Alloy Steel |
| Model Number | 8257 |
| Number of Items | 1 |
| Part Number | 8257 |
| Product Dimensions | 2.19"D x 4.69"W x 4.69"H |
| Style | Industrial |
| UPC | 050169002575 |
| Unit Count | 1 Count |
| Warranty Description | 1 Year Warranty |
1**L
Extra room for wire fill in a electrical box
Just the size needed when a 1900 wont do..def would buy again.
M**N
Great multipurpose box has it all!
This box is wider and deeper than a standard 4x4 box, so it has more room inside. Not only is it the higher-quality welded steel type of box, but there are lots of knockouts and mounting holes to support almost any use. The listing photo shows an older version of the box with some differences from the current model, so I uploaded photos of the current 2023 version. Key features: 1) 15 total combo 1/2 & 3/4 knockouts, 3 on each face, plus one more 1/2 inch only on the back. The combo knockouts are designed so that if you knock out only the inner 1/2 inch disc, a standard 1/2 locknut makes a good bond with the rest of the box so no bonding jumper is necessary on attached conduit. 2) A raised ground bump for a standard green grounding screw - the bump leaves room for the screw end even when the box back is surface-mounted to a support. 3) Plenty of additional holes on back and sides for mounting the box or securing lugs or other fittings.
O**R
Installation tip for Hubbell 14-50 receptacle
The Hubbell 14-50 receptacle ears won't reach the screws on this. You'll need the RACO 888 cover plate, or you can get a "4-11/16 SQ COVER 2 DEVICE 1/2"RAISED" from a home center to use with the Hubbell 313292 stainless steel cover plate.
R**A
They will not refund your money on return
This is about that seller. I returned the unused item next day as it was not good fit for me. Still they returned me only 50% money.. Will never buy from this seller .
S**A
Tesla UMC Charger Project
For my Tesla charger. Definitely use a larger box such as the Hubbell-Raco 8257 (2-1/8-Inch Deep, 1/2-Inch and 3/4-Inch Side Knockouts Welded 4-11/16-Inch Square Box and Raco 888 Raised Square Exposed Work Cover, 2-5/8 in Dia L X 4-11/16 in W X 1/2 in T, 4-11/16", Gray). It will help with more room to bend the thick conductors. Built to house the Hubble NEMA 14-50 HBL9450A.
K**E
Needed this
This is exactly what we needed.
G**N
Great purchase!
Great parts to use for my husband's DIY projects.
V**R
WELL MADE BOX
THE BOX IS WELL MADE BUT I ORDERED THE WRONG ONE
Trustpilot
5 days ago
1 month ago