Scotchlok
™
Insulation Displacement
Electrical Pigtail Connector
557
Data Sheet
Application
Use Scotchlok
™
Pigtail 557 to electrically connect
two wire ends and insulate the connection.
Engineering Specification
The connector shall be UL Listed as a pressure cable
connector shall be voltage rated 600 volts maximum,
building wire; 1000 volts maximum signs, fixtures,
and luminaires. The connector shall have a maximum
operating temperature of 105˚C. The connector shall
also meet the intent of the Standard for Portable
Electric Lamps, UL 153, specifically Paragraph 14.2,
when housed within the body of the lamp.
Wire Range
22-16 AWG solid or stranded, (0,5-1,0 mm
2
solid or
stranded and 1,5 mm
2
solid) tinned or untinned
copper conductors. For use with common
thermoplastic insulated wires such as: T, TF, TFF,
TFN, TFFN, AWN, TEW, SAE-GPT, with a
maximum insulation diameter of .120 inches (3,0
mm).
Maximum recommended current for general purpose
applications:
22 AWG - 3 Amps, 20 AWG - 4 Amps,
18 AWG - 7 Amps, 16 AWG - 10 Amps
Regulatory Agencies
UL Listed
as a Pressure Cable Connector
Tested per UL Standard 486C
UL File No. E23438
Operating Temperature: 105˚C (221˚F)
Voltage Rating: 600 volts max. building wire;
1000 volts max. signs and fixtures
Flammability Rating: UL94 V-2
CSA Certified-CSA
Standard C22.2 No. 0, 188-M1983
CSA File No. LR15503
Operating Temperature: 105˚C (221˚F)
Voltage Rating: 600 volts max. building wire
1000 volts max. signs and luminaires.
Flammability Rating: C22.2 No. 0.6 V-2
Federal Specification W-S-610:
“Commercial package only”
Type
Class
Kind
Style
1
1
cu
G
Construction
U-Contact - Tin plated brass, .02 in. thick (0,5 mm)
Insulator - Flame retardant polypropylene
Color - Red
Weight
.0030 lb. (1,37 gm)
Recommended Installation Tools
3M
™
Crimping Tool No. E-9BM
9” Linemans Pliers
.55
.16
.30
.67
.36
nstallation Instructions
WARNING
Turn power off before installing or removing terminal. All electri-
cal work should be done according to appropriate electrical
codes.
1. Insert unstripped wire completely and check their
position in the inspection ports.
2. Hold tool perpendicular to the wire and make the
connection by driving the u-connection down
flush with the top of the insulator.
3. Close hinged top cover until latched.
Pigtail Connector
3M and Scotchlok are trademarks of 3M Company.
is a trademark of Underwriters Laboratories.
is a trademark of Canadian Standards Association.
IMPORTANT NOTICE
Before using this product, you must evaluate it and determine if it is suitable for your intended application. You assume all risks and liability
associated with such use.
Warranty; Limited Remedy; Limited Liability.
This product will be free from defects in material and manufacture as of the date of purchase.
3M MAKES NO OTHER WARRANTIES INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OF MERCHANTABILITY OR
FITNESS FOR A PARTICULAR PURPOSE.
If this product is defective within the warranty period stated above, your exclusive remedy shall
be, at 3M’s option, to replace or repair the 3M product or refund the purchase price of the 3M product.
Except where prohibited by law, 3M
will not be liable for any loss or damage arising from this 3M product, whether direct, indirect, special, incidental or consequential
regardless of the legal theory asserted.
Electrical Products Division
6801 River Place Blvd.
Austin, TX 78726-9000
www.3M.com/elpd
Litho in USA
©3M 2003 78-8126-5928-8-A
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