3M Low power connector ATT.CALC.CROSS_SECTION_FLEXIBLE: 0.5- ATT.CALC.CROSS_SECTION_RIGID: 0.5-1.5 mm² Number of pins: 2 3 80-0140-0080-8 Data Sheet

 

 

 

 
 

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.  

 

 

 

 

 
 

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 

 

 

 

 
 

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

2

 str.) copper conductors.  

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 

 

 

 

 
 

U-Contact: Tin-plated 

brass, .02 in. (0,5 mm) thick 

Insulator: Flame-retardant 

polypropylene 

Color: Red 

 

 
 

 

 

 
 

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. 

 

 

 

 

3M™ Crimping Tool E-9BM 
9” Lineman’s Pliers 

 

 
 

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