Buy with Confidence: With Monoprice's Lifetime Warranty on all Cables, you can rest assured we stand behind our products and our customers. Multiple lines can be passed through a single plate allowing you to mix and match while eliminating the need to have multiple plates spread out across your wall With these new plates you can install low voltage cables directly behind your flat panel TV amplifier/home theater receiver or other audio/video devices Recessed low voltage pass through wall plates give your installation a finished appearance but allows you the versatility of using the cable types of your choice