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Black nylon duplex receptacle with two vertical slots and a round ground hole, flush-mount design, no cover plate

Hubbell Incorporated

Hubbell Incorporated CR20BLK 20 A 125V Duplex Receptacle

SKU CH-5KND-X7H2M

A 20 A 125 V grounded duplex receptacle with screw terminals and a black nylon housing

  • Color MappingBlack
  • TypeWiring Devices
  • Rated 20 A / 125 V for high-draw circuits
  • CSA C22.2 and UL 498 listed for code compliance
  • Federal Spec W-C-596 grade for institutional durability
  • Nylon housing and screw terminals resist heat and vibration
  • Flush-mount duplex design fits standard single-gang boxes

Hubbell 20 A 125 V Duplex Receptacle

The Hubbell CR20BLK is a straight-blade duplex receptacle rated for 20 A at 125 V AC. It provides two grounded 5-20R outlets in a single-gang nylon housing finished in black. The device is polarised and accepts three-wire connections via screw terminals. It suits residential or light-commercial branch circuits requiring a 20 A feed.

Sustained-load behaviour

The receptacle carries a continuous 20 A rating under the UL 498 and CSA C22.2 standards. Its nylon housing and screw-terminal connections are designed to maintain stable contact resistance during prolonged loading. No GFCI protection is integrated, so downstream ground-fault protection must be supplied by the circuit breaker or a separate device if required by code.

Build and mounting

The flush-mount body fits a standard single-gang box and meets NEMA WD-6 dimensional requirements. The black nylon housing carries a NEMA Type 1 enclosure rating for indoor use. Screw terminals accept solid or stranded conductors for reliable termination. The unit is UL listed to UL 498 and certified to Federal Specification W-C-596.

Highlights

  • Rated 20 A / 125 V for high-draw circuits
  • CSA C22.2 and UL 498 listed for code compliance
  • Federal Spec W-C-596 grade for institutional durability
  • Nylon housing and screw terminals resist heat and vibration
  • Flush-mount duplex design fits standard single-gang boxes

Specifications

BrandHUBBELL WIRING DEVICE-KELLEMS
Color MappingBlack
TypeWiring Devices

Questions about this item

Does the CR20BLK receptacle generate noticeable heat or noise when supplying 20 A continuously?

It is a passive wiring device with no moving parts or electronics, so it produces no audible noise and negligible heat under its rated 20 A load.

What existing wiring and circuit protection must be in place before installing this 5-20R duplex receptacle?

You need a 125 V AC single-phase circuit with three conductors (hot, neutral, ground) protected by a 20 A breaker, plus a standard single-gang flush-mount box.

Will this grounded 5-20R receptacle accept older two-prong plugs without an adapter?

No — the polarised, grounded slots require a three-prong plug; two-prong plugs will not fit and no adapter should be used.

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