YELLOW TWIST-ON Wire Connector P4 Type is the Industry Standard for Electrical Wiring
Color Coded Screw on wire Connectors for Quick Assembly, UL and CSA Listed 600V
  Packaged bag of 100 pcs.
  Wire combinations: #22 thru 10 AWG
PRODUCT FEATURES:
   Fixed Precise Conical Wire Spring, No Pre-Twisting of Conductors is Required - Spring Creates its Own Thread
   Reusable Screw on Wire Connector Threads On or Off splice for fast and easy circuit changes and additions
   Ribbed-Cap Provides a more Secure Grip and faster fingertip starts even when hands become slippery
   Deep Skirt Wire Entry Provides Protection from Flash-Over and Shorts
   Threaded Funnel Entry Guides Wire Into Connector Cleanly without Strand Splaying
   Temperature Rated at 221°F (105°C) maximum
VOLTAGE RATING: 600V Max. Building Wiring; 1000V Max. in Fixtures and Signs.
   UL and CSA Listed, CQC Certified
   Listed as a Pressure-Type Wire Connector on the following SOLID and/or STRANDED COPPER TO COPPER CONDUCTOR wire combinations:
   Overall Dimensions: 0.95'' H x 0.55'' D
INSTALLATION INSTRUCTIONS:
 1. Turn off power before installing or removing connectors.
 2. Strip wires 3/8'' (9.5mm). For #16 and smaller wires, strip 7/16'' (11.1mm).
 3. Pre-twisting unnecessary. Hold stripped wires together with ends even. Lead stranded wires slightly.
 4. Align any frayed strands or conductors.
 5. Push wires into connector and screw on until two twists are visible in wires.
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