Polyurethane construction for weather and abrasion resistance and a high load-bearing capacity. Non-conductive material insulates electrical cables from human contact and satisfies state and federal regulatory agencies. The 36" length per lineal protector makes length-of-run calculations easy to figure. 5-bar tread plate surface increases traction. Safety warning symbols permanently molded into lid warn pedestrians of trip and/or electrical hazards. Modular interlocking design is lightweight; easy to transport, setup, breakdown, and store; multi-length applications. Recessed carrying handle allows for moving with ease. Universal safety colors for high visibility.