Pre Wired 66Block W/1 Female Telco Connector

Reference#: 68071
Item#: 66B1F



The Prewired 66 Block with One Female Telco Connector from Discount Low Voltage provides an excellent demarcation point for end users’ equipment and the telephone company. It has been designed for fast installation of your 25-pair cable and is made of high-quality materials for durability and performance. The housing is made of high-impact, flame-retardant plastic, and the terminals are made of gold over nickel-plated copper alloy.


Use this prewired 66 block for many PBX, telephone systems and other low-voltage terminal equipment. Each block has been pretested, saving you time, labor and money in the field.

·Voice grade

·Amphenol-style telco connectors

When your total order is $200 or more, this item ships free, which usually takes two to five business days. Quicker shipping methods are also available.


Save time and money with this pretested 66 block. Buy without worries, because Discount Low Voltage stands behind it with our guarantee of your complete satisfaction. Questions? Just call us toll-free for expert advice. 


- Hinged Cover Sold Separately
- Voice Grade
- 50-Pair
- `Amphenol-style' Telco Connectors
- USOC Wired

Ordering Options:
- 66B1F = w/ One Female Connector
- 66B2F = w/ Two Female Connectors
- 66B1M = w/ One Male Connector
- 66B2M = w/ Two Male Connectors


1. Storage of the Prewired 66 blocks -40 to +70 Celsius
2. The operating temperature is from -10 to +60 Celsius
3. 93% Non condensing

1. Insulation electrical resistance is -500 mohm min @ 100V DC
2. Withstanding dielectric low voltage -1000 RMS @ 60hz for 60 seconds
3. The resistance of the contacts is 2.5 MOHMS MAX

1. The minimum extraction force for 24 AWG is 5N
2. Life for insertion and extraction is 200 cycles minimum
3. Wire gauge used for these blocks is 22 to 26AWG