3M

Self-Stripping Electrical Tap

Connector 558

Data Sheet

November 2010

Applications

3M™ Scotchlok™ Self-stripping Electrical Tap Connector 558 is used to electrically

connect a (tap) wire end to a through (run) wire and insulate the connection.

Agency Approvals,

Self Certifications,

Mil Specs

Meets requirements of:

UL Listed, Standard 486C, UL File E23438

CSA Certified, CSA Standard C22.2, No. 0.188-MI983, CSA File No. LR15503,

LR32411

Wire Range

22-16 AWG solid or stranded, tinned or untinned (.5-1.5 mm

For use with common thermoplastic insulated wires such as: T, TF, TFF, TFN, TFFN,

AWM, TEW, SAE-GPT with a maximum insulation diameter of .120” (3,0 mm).

Maximum recommended current for general purpose:

22 AWG

3 AMPS

20 AWG

4 AMPS

18 AWG

7 AMPS

16 AWG

10 AMPS

Construction

U-Contact:

Tin-plated brass, .02 in. (0,5 mm) thick

Insulator:

Flame-retardant polypropylene

Color:

Red

Specifications

Voltage Rating:

600 volts maximum, building wire

1000 volts signs, fixtures and luminaires

Temperature Rating:

105ºC (221ºF)

Weight:

.0033 lbs (1,50 gm)

Engineering/

Architect

Specification

The Tap Connector 558 is capable of connecting a tap wire to a run wire, in the range

of No. 22 thru No. 16 AWG solid or stranded copper. The connector shall be UL Listed

and CSA Certified for 600 volts maximum, building wire: 1000 volts maximum for signs,

fixtures and luminaires with a temperature rating of 105ºC (105ºF) maximum.

Recommended

Installation Tools

3M™ Crimping Tool E-9BM

9” Lineman’s Pliers

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