Buried detectable & non-detectable warning tapes, high visibility reflective laminated labels & flexible line marker posts, soil markers, domed posts. Clearly identify vulnerable underground assets with durable ground-level markers. Suitable for power, street lighting and fibre optic cables. Designed to provide a visual warning that power cables are present if digging takes place. To ensure all specifications are met, consult the specific cable specification sheet for the cable you. Our Warning Caution Fiber Optic Cable Sign helps protect essential communications lines during site work. It is made in the USA and ships fast from our manufacturing facility. • Delivery is via tracked next day.