Screw-On Wire Connectors P4 Yellow Boxed 100 Pack - Color-Coded Screw On Wire Connectors for quick connections anytime.Screw-On Wire Connectors P4 Yellow Boxed 100 Pack features include: Fixed Precise Conical Wire Spring No Pre-Twisting of Conductors is Required ndash; Spring Creates its Own Thread Reusable Screw on Wire Connector Threads On or Off splice for fast and easy circuit changes and additions Tough, UL 94V-2 Flame Retardant Shell will not crack or break, even when applied to maximum wire combinations under extreme pressure 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 221deg;F (105deg;C) maximum Six Color-Coded Screw On Wire Connectors cover a full range of wire sizes from 22 through 8 Awg cULus Listed (Box 100 Pack) Order Qty of 100 = 1 Box of 100 Below is more info on our Screw-On Wire Connectors P4 Yellow Boxed 100 Pack