Street Light

Street lighting is supplied by local distribution systems at 120/240 V and is generally the only service for which the electric utility installs, operates and maintains utilization equipment. The lights that illuminate roads and highways generally use high-intensity discharge lamps with ballasts compatible with common voltages and may be either high- or normal-power factor. High-intensity discharge lamps are usually phosphor-coated mercury, metal halide, or high pressure sodium. Lamps are available in sizes ranging from 100 to 1,000 watts (W) and may be sealed or filtered for longer life. Photoelectric controls are usually used with individual lights. Most utility lighting systems have been mounted on existing overhead support structures; however, for underground systems lighting can be designed with supply run from the nearest transformer or handhole.

The StreetLight class inherits attributes from the ElectricDevice abstract class. All model names assigned to the ElectricDevice class should be assigned to the StreetLight class as well.

Associations: SupportStructure

Subtypes: None

Model Names: None

Attributes:

Field Name

Field Type

Description

BallastType

text

Code indicating type of ballast used in StreetLight; domain values include high-power factor and normal-power factor.

FixtureSupport

text

Code indicating type of support used for streetlight fixtures; domain values include Cobra, Security, and Other.

LampType

text

Code indicating type of lamp; domain values include fluorescent, high/low pressure sodium, incandescent, mercury vapor, and metal halide.

LensType

text

Code indicating type of lens; domain values include diffuser, reflector, and refractor.

LightCount

long integer

Code indicating number of lights; domain values include 1, 2, 3, and 4.

LightStyle

text

Code indicating style of StreetLight; domain values include Ornamental Light, and Standard.

MountHeight

short integer

Height of light on pole.

Ownership

text

Code indicating owner of light; domain values include Customer, Utility and Other.

PhotocellType

text

Type of photocell.

Shielding

text

Code indicating presence of shielding; domain values are Yes or No.

StreetLightRole

text

Code indicating role of StreetLight; domain values include Area Lighting, Commercial Area Lighting, Residential Yard Lighting, etc.

TimeControl

text

Code indicating whether StreetLight has TimeControl; domain values are Yes or No.

Wattage

double

Code indicating wattage of lamp; domain values include 100 Watts, 175 Watts, etc.

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