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As the rules change or new procedures are developed, please note that these interpretation and/or guidance may not apply; you should always refer to the latest rules and guidance documents to determine what equipment authorization procedures should be followed. For the latest guidance on specific topics or you don't know where to start, please feel free to contact GTG Group experts.

Street lamps are an essential public amenity that provides light to pedestrians, cyclists, and motorists during the night.

How can GTG assist you with the tests on street lamp?

(1) Electrical safety test

  • Insulation resistance test: the insulation resistance test measures the resistance of the insulation material in the street lamp to electrical current. This test is essential in ensuring that the insulation is sufficient to prevent electrical current from flowing into the metal casing of the lamp.
  • Earth continuity test: the earth continuity test checks the connection between the metal casing of the street lamp and the earth. The earth connection is crucial as it provides a path for electrical current to flow safely away from the lamp.
  • High voltage test: the high voltage test measures the ability of the street lamp to withstand high levels of electrical voltage. This test is essential in ensuring that the lamp can handle the electrical current it is designed to handle without failing or posing a risk to those around it.
  • Load test: the load test measures the ability of the street lamp to handle the electrical load it is designed to handle. This test is essential in ensuring that the lamp can operate safely and efficiently without overloading or burning out.
  • Short circuit test: the short circuit test measures the ability of the street lamp to handle a short circuit. This test is essential in ensuring that the lamp can handle the sudden surge of electrical current that occurs during a short circuit without posing a risk to those around it.
  • Leakage current test: the leakage current test measures the amount of electrical current leaking from the street lamp. This test is essential in ensuring that the lamp is not posing a risk to those around it by leaking electrical current into the ground.
  • Ground resistance test: the ground resistance test measures the resistance of the ground beneath the street lamp. This test is essential in ensuring that the lamp is properly grounded and that electrical current can flow safely away from the lamp.
  • Voltage drop test: the voltage drop test measures the voltage drop across the street lamp. This test is essential in ensuring that the lamp is functioning correctly and efficiently, without losing voltage along the way.

(2) Photometric test

A photometric test is a type of light measurement that assesses the amount of light produced by a light source. This test is essential to ensure that the light source is providing the necessary illumination.

There are three main photometric tests conducted on street lamps:

a. Luminance measurement: this test measures the amount of light emitted by a light source. It’s essential in determining the brightness of the light source.

b. Illuminance measurement: this test measures the amount of light that reaches a surface. It’s essential in determining the level of illumination provided by a light source.

c. Light distribution measurement: this test measures the direction and pattern of light emitted by a light source. It’s essential in determining the uniformity of light distribution.

(3) Photobiological safety test

Photobiological safety tests are conducted to assess the potential risks associated with exposure to light sources, including street lamps. These tests evaluate the effects of light on the human eye and skin, ensuring that the light emitted by street lamps falls within safe limits. Here are some common photobiological safety tests for street lamps:

  • Photobiological risk assessment: this assessment involves evaluating the spectral characteristics of the light emitted by the street lamp and assessing its potential risks to the eyes and skin. It considers factors such as blue light content, ultraviolet (UV) radiation, and glare.
  • Blue light hazard test: blue light emitted by certain light sources, including LED street lamps, has the potential to cause retinal damage. Blue light hazard testing measures the spectral characteristics of the light and determines its potential risk to the eyes.
  • UV radiation test: some street lamps, particularly those using certain types of lamps, may emit UV radiation. UV radiation testing assesses the UV content of the light emitted by the street lamp to ensure it falls within safe limits.
  • Glare assessment: glare from street lamps can cause visual discomfort and reduce visibility. Glare assessment tests evaluate the luminance and distribution of light from the street lamp to determine potential glare issues.

(4) EMC test

  • Radiated emissions test: this test measures the electromagnetic radiation emitted by the street lamp and ensures that it does not interfere with other electronic devices. The test typically involves placing the street lamp in a shielded room and measuring the radiation levels at various frequencies.
  • Conducted emissions test: this test measures the electromagnetic emissions conducted through the power lines of the street lamp. The test is typically conducted by injecting a signal into the power lines and measuring the emissions at various frequencies.
  • Electrostatic discharge (ESD) test: this test simulates the effects of electrostatic discharge on the street lamp. The test involves applying a high voltage pulse to the street lamp and measuring its response.
  • Electrical fast transient/burst (EFT/B) test: this test simulates the effects of electrical fast transients on the street lamp. The test involves applying a series of high voltage pulses to the street lamp and measuring its response.
  • Surge test: this test simulates the effects of power surges on the street lamp. The test involves applying a high voltage surge to the power lines of the street lamp and measuring its response.
  • Immunity to conducted disturbances: this test measures the street lamp’s ability to withstand electrical disturbances conducted through the power lines. The test involves injecting a signal into the power lines and measuring the street lamp’s response.
  • Immunity to radiated disturbances: this test measures the street lamp’s ability to withstand electromagnetic disturbances radiated from other electronic devices. The test involves exposing the street lamp to high levels of electromagnetic radiation and measuring its response.
  • Power frequency magnetic field immunity test: this test measures the street lamp’s ability to withstand power frequency magnetic fields. The test involves exposing the street lamp to a magnetic field and measuring its response.
  • Voltage dips and interruptions test: this test measures the street lamp’s ability to withstand voltage dips and interruptions in the power supply. The test involves simulating voltage dips and interruptions in the power supply and measuring the street lamp’s response.
  • Harmonics and flicker test: this test measures the street lamp’s ability to withstand harmonics and flicker in the power supply. The test involves injecting harmonics and flicker into the power supply and measuring the street lamp’s response.
  • Transient immunity test: this test measures the street lamp’s ability to withstand transient disturbances in the power supply. The test involves simulating transient disturbances in the power supply and measuring the street lamp’s response.
  • Voltage variation test: this test measures the street lamp’s ability to withstand variations in the power supply voltage. The test involves simulating variations in the power supply voltage and measuring the street lamp’s response.

(5) Energy efficiency test

Energy efficiency tests on street lamps are important to ensure that they are using energy efficiently and minimizing wastage.  One of the primary tests that street lamps undergo is the luminous efficacy test. This test evaluates the light output of the lamp per watt of power consumed. The higher the luminous efficacy, the more energy-efficient the lamp is.

(6) Mechanical tests

  • Impact resistance test: to simulate the effects of a vehicle collision, street lamps undergo an impact resistance test. A pendulum is swung at the lamp to determine its ability to withstand external forces. The test ensures that the lamp will not shatter or break if a vehicle hits it.
  • Vibration test: street lamps are exposed to different vibrations, such as those caused by passing vehicles and heavy winds. A vibration test is conducted to ensure that the lamp can withstand these forces without breaking or becoming unstable.
  • Mechanical strength test: street lamps need to be structurally sound to withstand external forces such as vehicle collisions and strong winds. A mechanical strength test is conducted to ensure that the lamp can withstand these forces without breaking or becoming unstable.

(7) Environmental test

  • Salt spray test: salt spray tests are conducted to determine the corrosion resistance of street lamps. The lamps are exposed to a saltwater solution for an extended period to evaluate their ability to withstand harsh environments such as coastal regions.
  • Water resistance test: street lamps are exposed to different environmental conditions such as heavy rains. A water resistance test is conducted to ensure that the lamps can withstand the effects of moisture without compromising their structural integrity.
  • Temperature test: extreme temperatures can cause street lamps to malfunction or fail. Temperature tests are conducted to evaluate the lamps’ ability to function correctly under different temperature conditions.
  • UV test: street lamps are exposed to sunlight, which can cause fading and cracking of the lamp’s exterior. A UV test is conducted to determine the lamp’s resistance to UV radiation.
  • Wind resistance test: to ensure that street lamps can withstand strong winds, a wind resistance test is conducted. The lamp is subjected to different wind speeds to determine the maximum wind speed it can withstand without becoming unstable or breaking.

How can GTG assist you with the certifications or markings for street lamp?

(1) IEC certification

The IEC (International Electrotechnical Commission) certification is a globally recognized standard for electrical products, including street lamps. This certification ensures that the product has been tested and meets the necessary safety requirements. The IEC certification covers various aspects, including electrical safety, electromagnetic compatibility, and environmental testing. This certification is particularly important for street lamps, as it ensures that they are safe to use in public spaces.

(2) IDA certification

The IDA (International Dark Sky Association) certification is a unique certification that focuses on the quality of outdoor lighting. The IDA aims to reduce light pollution and promote the conservation of dark skies. The IDA certification ensures that street lamps are designed to minimize light pollution, reduce energy consumption, and minimize glare. This certification is essential for cities or towns that are concerned about the environmental impact of street lighting.

(3) CE marking

The CE (European Conformity) marking is a mandatory certification for products sold in the European Union (EU). This certification ensures that the product meets the necessary health, safety, and environmental requirements. The CE marking covers various aspects, including the product’s design, production, and testing. This certification is essential for street lamps that are sold in the EU.

(4) UL certification

The UL (Underwriters Laboratories) certification is a North American certification that ensures that the product has been tested and meets the necessary safety requirements. The UL certification covers various aspects, including electrical safety, environmental testing, and fire safety. This certification is particularly important for street lamps, as it ensures that they are safe to use in public spaces.

(5) RoHS compliance

The RoHS (Restriction of Hazardous Substances) compliance is a European Union directive that restricts the use of hazardous materials in electronic products. Street lamps are electronic products, and it’s essential for them to meet the RoHS compliance. This directive restricts the use of substances such as lead, mercury, and cadmium.

(6) Energy Star certification

The Energy Star certification is a US certification that ensures that the product is energy-efficient. This certification covers various aspects, including the product’s design, energy efficiency, and environmental impact. The Energy Star certification is essential for street lamps, as it ensures that they consume minimal energy and have a minimal impact on the environment.

Why the biggest brands trust GTG Group?

GTG Group (Global Testing Group) is a certification company that offers testing and certification services to different industries. Our expertise in street lamp testing and certification has made us a trusted name in the industry.

(1) Independent and impartial testing

GTG Group is a third-party testing company, which means we are not affiliated with any specific manufacturer. This impartiality can provide camera manufacturers and consumers with confidence in the accuracy and reliability of the testing process, and ensure that the camera meets the required standards.

(2) Confidentiality and security

GTG Group understands the importance of confidentiality and security when it comes to testing and certification. We ensure that our clients’ data and information are kept confidential and secure at all times. This ensures that our clients’ intellectual property and trade secrets are protected.

Contact GTG Group today for street lamp testing and certification to avoid any legal issues that may arise from using a faulty street lamp.

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