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Hubbell 66 M 50-pair wiring block, light grey rectangular base with rows of metal clips

Hubbell Incorporated

Hubbell Incorporated HPW66M150C5 66 M 50-Pair Wiring Block

SKU CH-3DJA-TFRW9

A 66 M-series wiring block with 50 pairs, CSA certified and cUL listed to TIA-568-C.2 standards

  • TypeRCA Jack
  • 66 M split-block design simplifies cross-connect wiring
  • 50-pair capacity supports high-density Category 5e installations
  • 4 pins per row across 5 rows enable structured termination
  • CSA certified, cUL and UL listed for code compliance
  • Meets TIA-568-C.2 performance requirements for reliable data transmission

66 M 50-Pair Wiring Block

The Hubbell 66 M 50-Pair Wiring Block is a Category 5e compatible termination block designed for voice and data distribution. It provides 50 pairs of IDC connections in a 4 x 50 block configuration for structured cabling installations.

Compatibility check

Verify that your installation uses Category 5e cable and requires a 66-type split block with 50-pair capacity. The block has no attached legs, so confirm your mounting surface or backboard suits direct screw fixing. Ensure the 10 in depth, 1 1/4 in height and 3 3/8 in width fit the available cabinet or frame space.

Thermals noise and power

This passive wiring block generates no heat, emits no noise and draws no electrical power during normal operation. It meets CSA Certified, cUL Listed, TIA-568-C.2 and UL Listed standards for safety and performance in premise wiring environments.

Highlights

  • 66 M split-block design simplifies cross-connect wiring
  • 50-pair capacity supports high-density Category 5e installations
  • 4 pins per row across 5 rows enable structured termination
  • CSA certified, cUL and UL listed for code compliance
  • Meets TIA-568-C.2 performance requirements for reliable data transmission

Specifications

BrandHubbell Premise Wiring
TypeRCA Jack

Questions about this item

Does the HPW66M150C5 block ship with mounting hardware or connecting clips, or must they be ordered separately?

The 50-pair 66 M block includes 50 clips and four pins per row across five rows; mounting screws are not included and must be sourced separately.

How do I decide between this 50-pair 66 M block and a larger 150-pair version for a Category 5e installation?

Choose the 50-pair model when the job requires up to 50 terminated pairs in a single 10-inch deep block; step to the 150-pair unit only if the pair count exceeds that capacity.

What does the TIA-568-C.2 listing mean for real-world Category 5e performance once the block is punched down?

The cUL and CSA certifications confirm the 66 M block meets TIA-568-C.2 Category 5e transmission requirements when pairs are properly terminated on the 50 clips.

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