1-Gang Die-Cast Aluminum Box 3×1/2" Hubs Deep, UL 514A NEMA 3R/4 | 210-31021
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SKU: 210-31021
372 in stock
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At a glance: Rated UL 514A, UL 50E, and NEMA 3R/4, this box suits residential, commercial, and industrial environments where weatherproofing and code compliance are required.
Specifications
| Part number | 210-31021 |
|---|---|
| Category | Tool |
| Weight | 0.5 lb |
| Material | A380 Die-Cast Aluminum, 0.05% max porosity, seamless single-piece shell |
| Finish | Polyester Powder-Coat, RAL 7035 Gray, ≥2.5 mil thickness, 1,000-hour salt-spray rated |
| Envelope | 2.80″ W × 4.50″ H × 2.70″ D (±0.010″ machining tolerance) |
| Internal Volume | 18.3 in³ (exceeds NEC 314.16(A) for 1-gang classification) |
| Hub Size/Thread | ½″–14 NPSM, thread relief with integrated O-ring groove |
| Hub Count/Locations | 3 total — (1) back, (2) sidewalls; includes aluminum closure plugs |
| Ground Provision | M4 × 0.7 mm green screw, <0.05 Ω verified bonding path |
| Mounting | #10-24 stainless lugs, 3.50″ on-center, captive hardware |
| Compliance | UL 514A, UL 50E, NEMA 3R/4, RoHS III |
Cross reference
| Our part | Hubbell Bell |
|---|---|
| 210-31021 | 5385-0 |
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Why Pros Buy Direct from Conversions Tech
Quality-tested and UL Listed. Every product we carry is built to our specifications by certified manufacturing partners and quality-verified before it ships. UL/CSA listed where required, NEC compliant.
Cross-reference savings. Direct equivalents to Burndy, Hubbell, and other OEM part numbers at up to 30% less — same specs, same certifications, without the big-brand markup.
Real technical support. Need a torque spec, die reference, or an OEM quote? You’ll speak directly with the Conversions Tech engineering desk — not a script reader — for instant answers, custom kitting, and private-label options.
Fast US fulfillment. In-stock items ship same day from Oxnard, CA, by ground or expedited.
