West Penn 357 Datasheet

P. O. Box 762, 2833 West Chestnut St.
Washington, PA 15301

724-222-7060

FAX: [phone]

TOLL FREE: 800-245-4964

PA CALL: 800-222-8883

Sound and Audio Combination Shielded and Unshielded

55 pf/ft*

180 pf/M*

99 pf/ft**

Capacitance

@ 1 KHZ

325 pf/M**

Conductor

DCR (Resistance)

@ 20° C

17 Ω per 1000 ft.

Electrical Characteristics

Nominal

*Nominal Capacitance between conductors.

**Nominal Capacitance between one conductor and

the other connected to the shield.

This document is the property of WEST PENN WIRE.The
information contained herein is considered proprietary and
not to be reproduced by any means without written
consent of WEST PENN WIRE.

Mechanical Characteristics

Number of Pairs

2 ( 1 shld, 1 unshld)

AWG Size

22

Stranding

(7 x 30)

Nom. Insulation

Thickness

.010

(.25 mm)

Shield Type

% Coverage

100% Aluminum

Polyester Tape

Nom. Jacket

Thickness

.015

(.38 mm)

Nom. O.D.

.168

(4.27 mm)

Drain Wire Size

24 (7 x 32)

357

Rev. 4-10-01

Description:

• Sound and audio special cable

• ASTM tinned copper

• PVC insulation

• Short overall twist lengths

• One pair shielded 100% coverage of aluminum
polyester foil with 24 AWG strd. TC drain wire

• One unshielded Pair

• Overall PVC jacket

• Standard spool size 1000 feet

Rating as per NEC:

• NEC Type CMR

• (UL) - C(UL) or c(ETL)us Listed

• Constructed in accordance with UL Standard 444

• Listed as being resistant to the spread of fire as defined
in section 800

–51 (c) of the National Electric Code; UL

1666 Vertical Tray Flame Test.

• Meets 300 volt requirement as specified in section
800

–51 of the NEC

Applications:

Indoor for:

• Intercom Systems

• Security Systems

• Sound and Audio

• Background Music

• Power–Limited Control Circuits

Color Code:

Shielded Pair:

1. Black, 2. Red

Unshielded Pair:

1. White, 2. Green

Jacket: Gray

Special Notes:

+

C(UL) CMR Canadian UL accepted mark
replaces PCC–FT4