Scotchlok® 972 Self-Stripping In-Line Blade Type Fuse holder Product Information Application: Installation instructions: Use Par! No. 972 to install a blade type auto Caution turn power off before installing connector. motive fuse between power source and device. All electrical work should be done according to Wire Rene: appropriate electrical codes. 18-14 AWG Solid or Stranded, tinned or I. Cut wires but do not strip insulation from untanned sol. or st) copper wire ends. . . conductors.