Skip to content

1 Gang weatherproof Grey box with (3) 1/2" threaded outlets Deep

Sale price $4.89

Shipping calculated at checkout

SKU: 210-31021

372 in stock

🖨️ Print Spec Sheet

Shop with confidence

  • Fast shipping
  • Easy exchanges
  • Trusted reviews
  • Eco materials
  • Price guarantee
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • JCB
  • Maestro
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Venmo
  • Visa

Conversions Tech Precision Die-Cast 1-Gang Electrical Box | Indoor / Outdoor Rated | UL 514A | NEMA 3R/4

The Conversions Tech Precision Die-Cast 1-Gang Electrical Box is designed for single-device installations such as switches, GFCIs, sensors, and receptacles. Built from A380-grade die-cast aluminum with a UV-stable polyester powder-coat finish (RAL 7035 Gray), this enclosure provides exceptional mechanical strength and corrosion resistance. Engineered for IP-rated performance in residential, commercial, and industrial environments, it meets UL 514A, UL 50E, and NEMA 3R/4 standards for weatherproof operation and long-term reliability.

Key Technical Specifications

Parameter Value Details
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 RoHS III • NEMA 3R / 4 Rated • Indoor/Outdoor Use

Installation Workflow

  1. Position & Anchor: Align box on mounting surface and secure via integrated lugs (25 lbf·in torque).
  2. Conduit Termination: Engage ½″ hubs 3½ turns; torque locknuts to 35 lbf·in.
  3. Device Wiring: Bond EGC to M4 ground screw (12 lbf·in); maintain ¼″ conductor strip length.
  4. Mount Device: Fasten switch or outlet to 6-32 bosses (8 lbf·in torque).
  5. Seal Unused Hubs: Apply provided aluminum plug and gasket (30 lbf·in).
  6. Verify Integrity: Meg-ohm test >100 MΩ @ 500 VDC; inspect gasket and enclosure seal.

Key Features

  • Precision Die-Casting: A380 alloy ensures consistent wall thickness and thermal stability.
  • UL & NEMA Certified: Rated NEMA 3R/4 for rain, dust, and corrosion protection.
  • Powder-Coat Protection: UV-stable gray coating maintains finish under outdoor exposure.
  • Ground-Ready Design: Factory-tapped grounding provision ensures low-impedance bonding.
  • Pre-Installed Hardware: Includes captive stainless lugs and closure plugs for convenience.

Frequently Asked Questions (FAQs)

1. What material is the enclosure made of?
The enclosure is constructed from A380 die-cast aluminum with a seamless, single-piece body for strength and corrosion resistance.

2. What certifications does this electrical box meet?
It meets UL 514A, UL 50E, and NEMA 3R/4 standards and is fully RoHS III compliant.

3. Is this box suitable for outdoor applications?
Yes. Its powder-coated finish, gasketed hubs, and NEMA 3R/4 rating make it ideal for outdoor and industrial environments.

4. How many conduit hubs are included?
The box includes three ½″ threaded hubs — one rear and two side entries — plus aluminum closure plugs.

5. What is the internal volume of the box?
It has an 18.3 cubic inch internal capacity, exceeding NEC 314.16(A) requirements for a 1-gang box.

6. How is grounding handled?
The box includes a factory-installed M4 × 0.7 mm green ground screw ensuring a verified bonding path of less than 0.05 Ω.

© 2025 Conversions Tech LLC. Specifications subject to change without notice.

4 Reasons Pros Buy Direct from Conversions Tech

Headquartered in business-friendly Wyoming, we design, test, and ship every product from inside the United States—delivering genuine “Made-for-America” quality without the big-box markup.

Our in-house team owns every CAD file, mold, and QA station behind our weatherproof boxes, conduit bodies, and power inverters. Vertical control means tighter tolerances, UL-listed safety, and up to 30 % lower cost than private-label imports.

Thousands of SKUs sit ready to go. Orders placed by 2 p.m. ship the same day, keeping contractors, OEMs, and distributors on schedule.

Need a torque spec or an OEM quote at dawn? You’ll speak directly with the Conversions Tech engineering desk—not a script reader—for instant answers, custom kitting, and private-label options.

Bottom line: For rugged, code-compliant electrical solutions shipped fast from a trusted U.S. source, choose Conversions Tech and build it right the first time.

Back to top