3M™ Specialty Terminals 71F-250-32-NL, 72F-250-32-NL
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Installation
Information
Engineering
Specification
Crimp-Type Female Disconnect shall, electrically and mechanically, connect
permanently to the prestripped end of a stranded copper wire: and have a tongue
portion which grip a Male Disconnect in a separable, reusable manner, forming a Quick
Connect Wiring Termination.
The connector line shall offer tongue variations (sized to grip male tabs 0.187˝ x
0.250˝) and barrel variations in construction, non- insulated, nylon insulated with
insulation grip, nylon fully insulated, etc. The Female Disconnects shall have regulatory
agency coverage, UL Listing, CSA Certification. The tongue portion shall be marked
with the wire range and manufacturer’s symbol ().
Insulated connectors shall be UL Listed and CSA Certified for 600 V building wire:
1000 V signs or lighting fixtures (luminaires) and temperature rated 221˚F (105˚C)
maximum.
Female Disconnects shall be suitable for field or factory wiring, with a UL
Recognized strain relief required.
UL Listed and CSA Certified for use on stranded copper (AWG) wire only.
Strip away the end 3/8 inch of wire insulation.
Make the crimp in the proper station of a recommended 3M Scotchlok™ Crimp
Tool: TH-440, TH-450 (scissor style), TR-482, TR-490 (ratchet style) hand
tools.
Suitable for factory installation on steel or brass tabs, UL and CSA.
Suitable for field application on brass tabs, strain relief is required, UL only.
Barrel Crimp (Electrical)