Alpha's Xtra-Guard 3 Multi-Pair cables are an extremely popular choice for direct burial applications. These cables are UV, moisture, and weather-resistant, making them suitable for outdoor applications such as interbuilding communications, security systems, pipeline sensor controls, and land irrigation systems.

There are two variations of the Xtra-Guard 3 Multi-Pair cable: foil shielded and braid/foil shielded. Both of these cables have a temperature range of -30°C and +80°C and a voltage rating of 300V. They feature color-coded, tinned copper conductors, premium PVC insulation, and a specially formulated polyethylene (PE) jacket.