We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Silver electroplated steel 3/4 inch conduit union male to female threads

Appleton Century Crofts

Appleton Century Crofts UNY75NR 3/4" HazLoc Steel Conduit Union

SKU CH-AHCQ-284V0

A 3/4-inch steel conduit union with electroplated finish connects rigid conduit in hazardous locations rated Class I, II and III

  • TypeConduit Fittings
  • Size (in.)3/4"
  • Color/FinishSilver
  • Hazardous-location rated for Class I, II, III environments
  • 3/4-inch NPT male-to-female union connects rigid conduit to box
  • Electroplated steel construction resists corrosion in harsh conditions
  • Compact 2-3/16-inch overall length fits tight installations
  • UNY-series design approved for vertical or horizontal conduit runs

Trade Size & Hazardous Rating

This 3/4-inch steel conduit union connects rigid conduit to a box in hazardous locations. It carries Class I Division 1 and 2, Groups A through D, Class II Division 1 and 2, Groups E through G, and Class III ratings. The electroplated silver finish resists corrosion in demanding industrial environments.

Thread Configuration

The fitting provides a straight union with 3/4-inch FNPT female threads on one end and 3/4-inch MNPT male threads on the other. Overall length measures 2 3/16 inches, while height and width are each 2 5/32 inches. It is designed for vertical or horizontal rigid conduit runs.

Installers Needing Explosion-Proof Connections

Electricians running rigid conduit in classified areas will find this union matches the required hazardous-location standards. Buyers who need a different trade size, a non-hazardous fitting, or a coupling for flexible conduit should look at other products.

Highlights

  • Hazardous-location rated for Class I, II, III environments
  • 3/4-inch NPT male-to-female union connects rigid conduit to box
  • Electroplated steel construction resists corrosion in harsh conditions
  • Compact 2-3/16-inch overall length fits tight installations
  • UNY-series design approved for vertical or horizontal conduit runs

Specifications

TypeConduit Fittings
BrandAPPLETON ELECTRIC
Size (in.)3/4"
Color/FinishSilver

Questions about this item

How does the 3/4" trade size affect installation in a hazardous-location conduit run?

The 3/4" trade size matches standard rigid conduit and FNPT/MNPT threads, allowing a straight union connection between conduit and box in Class I, II, III hazardous areas without adapters.

What does the FNPT x MNPT thread interface cap in practice?

The female-to-male NPT threads seal at 3/4" trade size, limiting the union to rigid conduit of the same diameter and maintaining the hazardous-location rating across the joint.

What physical clearances does the 2 3/16" overall length and 2 5/32" width require?

The union needs at least 2 3/16" straight run and 2 5/32" side clearance to fit between conduit and box while preserving the electroplated steel body's hazardous-location integrity.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.