If you’ve ever struggled with standard one-piece plugs, switching to 3-piece RJ45 connectors will be a total game-changer for your home office or media closet. After 40 years in the sheet metal trade, I’ve learned that having the right system is better than having raw speed. These three-part systems—consisting of the main housing, a spacer, and a loading bar—allow you to maintain the tightest possible twists in your Cat6 cable.