These heavy duty cable protectors have multiple channels for the protection of a large number of wires. Hinged lid allows for top loading of cables for convenience. Made of commercial grade rubber it is suitable for use outdoors and indoors in most weather conditions. The black body color with a yellow lid is highly visible. These units will protect your cables from vehicles of up to 18,000 pounds per axle. Due to the heavy nature of this cable protector, it tends to stay where you put it. Operating temperature range is -40 to +130 °F.