Streetlights use bypass technology that allow them to pass light voltage through to other streetlights when they are burned out. With regular maintenance, most estate street lights can last more than 20 years. Decorative streetlights can last almost 90 years. Wiring systems are served through cables and will eventually wear out.
Lead cables will be replaced, as well as the poles installed over a century ago. High-density lamps are used with a great amount of photopic brightness which provides the least amount of electricity. New technologies use white light and there are no formal specifications.
Re-lamping high-pressure streetlights every 3-5 years or as outages dictate. Refurbishing streetlights involve control of traffic, road closures, and more.This is not required for LED lighting.
Estate street lights are refurbished by salvaging used or damaged equipment. Component parts are repaired and replaced, and fixtures are upgraded to reduce any future maintenance. Recycle parts are used to save money, as opposed to investing in brand new parts.
After outage reports are received, then teams can respond to problems in power distribution systems, photo cell, as well as repair and replacement. These reports come from police, transportation crews, inspectors, and citizens. Sometimes physical damage exists such as knock-downs or unintentional damage from digging. Repairs can take minutes or even days depending on the extent of damage.
Street poles and fixtures may be relocated, in order to provide accommodations for new buildings or roads. In addition, relocation may take place due to repairs and upgrades to electrical ducts, and gas company pipelines underground.
Some estate streetlights will be converted to LED. It will reduce call backs, even though it may cost more money to convert. It reduces the need for workers to have to replace photocells later. LED luminaries that are linked together in a network can be controlled using management software. It can control intensity of individual street lights in residential areas, parks, tunnels, and shopping centers directly from a computer.
Some streets do not have lighting, because in most cities it is not required in some areas. In older areas of cities, you will not find any unless a developer installs them or if city council begins a project to have them installed. Only those who have it will have to pay for it. Property owners are responsible for cost of maintenance for their streetlights.
Costs are billed to property owners on their County tax bill as an assessment. For a residential streetlight, maintenance assessment the costs can vary for a single family property with less than .2 acres. Cities provide necessary repairs of cleaning, electricity, and eventually replacement. All of this comes from completing an assessment.
Estate streetlights are placed along city streets.They are intended to assist pedestrian and vehicle traffic, not necessarily for security lighting.