66 Wiring Block 50-Pair
66 Wiring Block 50-Pair
66 Wiring Block 50 Pair Front
66 Wiring Block Front Closeup

66 Wiring Block 50-Pair without Bracket

Performance: 66 Block
  • 66 Wiring Block Pre-wired with 12 Voice 6P4C Ports IC06626P4C
  • 66 Wiring Block Pre-wired with 12 Data 8P8C Ports IC06628P8C
  • 66 Wiring Block Pre-wired with 2 Female 25 Pair Telco Connectors IC066DFT50
  • 66 Wiring Block 50-Pair
Connector: 50-Pair
Packaging: Single

In stock

SKU: IC066NB050 Categories: ,
UPC: 633758017435

Country of Origin (subject to change): Taiwan

Warning SymbolCalifornia Prop 65 Warning


The ICC 66-Style 50-Pair Wiring Block is used to terminate multi-pair telephone and data cables for voice, security, and data applications. The wiring block provides up to 50 fixed cross-connections for terminating 22~26 gauge solid insulated cable or 18~19 gauge solid stripped cable. The block has a compact design for applications with limited space. It can be mounted to walls or backboards for entrance facilities and telecommunications closets.


  • 66 style 50 pair termination block for telephone and data use.
  • Made with high-impact, flame-retardant plastic.
  • Mounts vertically or horizontally on walls or backboards.
  • Works with 89B mounting brackets to provide space for routing cables behind the 66 block.
  • Works with 66 wiring block cover to protect terminated wires.
  • Works with 66 bridging clips to electrically interconnect adjacent terminals.
  • UL 1863 compliant.



Temperature Storage:

Storage:-40 to 70 degree C

Operational: -10 to 60 degree C


Electrical Insulation Resistance

500 mohms min at 100V DC

Dielectric withstanding voltage:

100V RMS at 60 Hz for 1 min

Contact Resistance: 2.5 mohms max


Transverse Extraction Force:

MIN 5N for 24 AWG

MIN 3N for 26 AWG

Insertion/Extraction LIFE: 200 cycles min

IDC Wire Gauge: 22-24 AWG


UL 94V-0

IDC: Brass plated with 100 micro