Orange markings in USA utility color coding signify what type of service?

Orange markings in utility color coding specifically signify communications services. This includes various types of telecommunications infrastructure like telephone lines, fiber optics, and internet cabling. Understanding this color coding system is crucial for workers and contractors who need to avoid damaging underground utilities during excavation or construction activities.

Each color in the utility marking system is designated for a specific type of service, which helps to ensure safety and efficiency. For instance, yellow denotes gas, blue indicates potable water, and red is used for electrical services. Knowing that orange is associated with communications makes it easier to identify and differentiate between various utilities, reducing the risk of accidents and service disruptions when performing maintenance or construction work.