Editorial Technical Reference

LED Inground Lights

This page explains how LED Inground Lights is classified within Electrical Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

Recessed outdoor lighting fixtures installed flush with ground surfaces for architectural and landscape illumination.

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Product Specifications

Technical details and manufacturing context for LED Inground Lights

Definition
LED inground lights are specialized waterproof luminaires designed for permanent installation in paved surfaces, soil, or decking. They provide upward-directed illumination for architectural features, pathways, signage, and landscape elements while maintaining a low-profile appearance. These fixtures incorporate high-efficiency LED chips, precision optics, and robust housings to withstand environmental conditions including moisture, temperature extremes, and mechanical loads from pedestrian or vehicular traffic. Typical applications include driveways, walkways, gardens, building facades, and accent lighting for trees or monuments. The fixtures are available in a range of power consumptions from 3 to 12 watts, producing luminous flux between 300 and 1200 lumens. Color temperature options span from warm white (2700 K) to cool white (6500 K), allowing for different ambiance and visibility requirements. Beam angles vary from 15 to 60 degrees, enabling narrow accent lighting or wider area illumination. Ingress protection ratings of IP65 to IP67 ensure resistance to dust and water, making them suitable for outdoor exposure. Operating voltage is typically 24 V DC with a tolerance of ±10%, which is considered low voltage for safety. Housing diameters range from 60 to 200 mm, and installation depths from 80 to 250 mm, accommodating various mounting conditions. Operating temperature range is -20°C to 50°C. Housing materials include die-cast aluminum (ADC12) and stainless steel, with tempered glass or polycarbonate lenses. Impact resistance ratings of IK08 to IK10 indicate suitability for areas with potential mechanical impact. Always verify model-specific values and standards with the legal manufacturer or supplier before procurement.
Working Principle
LED inground lights operate by converting electrical energy into visible light through semiconductor diodes. When forward voltage is applied to the LED chip, electrons recombine with electron holes, releasing energy as photons. The emitted light is then shaped and directed by optical components (lenses or reflectors) to achieve specific beam patterns. The fixture includes a driver that regulates current to the LEDs, thermal management systems to dissipate heat, and sealed housings with ingress protection ratings (typically IP67/IP68) to prevent water and dust penetration.
Common Materials
Aluminum Alloy, Stainless Steel, Tempered Glass, Polycarbonate
Technical Parameters
ParameterTypical rangeNotes & selection driver
Power ConsumptionRequired3–12 WTotal electrical power input to the luminaire
Luminous FluxRequired300–1200 lmTotal visible light emitted by the fixture
Color TemperatureRequired2700–6500 KCorrelated color temperature of the light output
Beam AngleRequired15–60 degreesAngular width of the light distribution pattern
Ingress Protection RatingRequiredIP65–IP67 IP codeLevel of protection against solid objects and liquidsIEC 60529
Operating VoltageRequired24 ±10% VRequired input voltage for proper operation
Housing DiameterRequired60–200 mmExternal diameter of the fixture housing
Installation DepthRequired80–250 mmMinimum required depth for proper installation
Operating Temperature-20–50 °CAmbient range
Housing MaterialADC12Die-cast aluminum
Lens MaterialPMMAUV-stabilized
Weight0.5–3.5 kgPer fixture
Impact ResistanceIK08–IK10Vehicle load capabilityIEC 62262

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • LED Module
    Primary light source consisting of LED chips mounted on a circuit board
    Material: Aluminum substrate with semiconductor diodes
  • Optical Lens Part
    Controls light distribution and beam pattern
    Material: Polycarbonate or tempered glass
  • Housing Body Part
    Structural enclosure providing mechanical protection and heat dissipation
    Material: Die-cast aluminum or stainless steel
  • Driver Circuit
    Regulates electrical current to the LED module
    Material: Electronic components on PCB with potting compound
  • Gasket Seal Part
    Provides waterproof sealing between housing components
    Material: Silicone or rubber compound
  • Mounting Frame
    Secures the fixture in the installation cavity
    Material: Stainless steel or powder-coated aluminum
  • Diffuser Option Optional Part
    Optional component to soften light output and reduce glare
    Material: Frosted polycarbonate or glass
  • Color Filter Optional Part
    Optional accessory to modify light color output
    Material: Polycarbonate with dichroic coating

Application & selection

Application Fit & Sizing Matrix

Operational Limits
pressure: IP68 rated (submersible up to 1m depth for 30 min), withstands pedestrian/light vehicle traffic loads
other spec: Ingress Protection: IP68, IK10 impact rating, 50,000 hours LED lifespan, 12V/24V DC or 120V/240V AC input
temperature: -40°C to +50°C (operating), -40°C to +85°C (storage)
Media Compatibility
✓ Concrete/paver installations ✓ Landscape soil/gravel beds ✓ Pool deck/wet area surrounds
Unsuitable: Direct high-pressure washdown zones (exceeds IP68 pressure limits)
Sizing Data Required
  • Required illumination area (m²/lux)
  • Available mounting depth (mm)
  • Power supply voltage/type (DC/AC)

Risk, maintenance & compliance

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Water ingress and seal failure
Cause: Degradation of gaskets or seals due to thermal cycling, UV exposure, or improper installation, leading to moisture penetration, corrosion, and electrical short circuits.
LED driver or power supply failure
Cause: Overheating from inadequate heat dissipation, voltage spikes, or component fatigue, resulting in flickering, dimming, or complete loss of illumination.
Maintenance Indicators
  • Visible moisture or condensation inside the lens or housing
  • Intermittent flickering, color shifting, or inconsistent brightness
Engineering Tips
  • Ensure proper sealing and periodic inspection of gaskets, especially after temperature fluctuations, and use corrosion-resistant materials in high-moisture environments.
  • Install surge protection devices and ensure adequate thermal management with proper heat sinking and ventilation to prevent driver overheating.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ANSI/IES RP-16-17 - Nomenclature and Definitions for Illuminating Engineering DIN EN 60598-2-13:2017 - Luminaires - Part 2-13: Particular requirements - Ground recessed luminaires

Quoted from the published standard.

Manufacturing Precision
  • Housing Bore Diameter: +/-0.05mm
  • Mounting Surface Flatness: 0.15mm
Quality Inspection
  • IP68 Ingress Protection Test (Dust/Water Immersion)
  • Thermal Cycling Test (-40°C to +85°C)
Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of LED Inground Lights

Manufacturer profiles associated with LED Inground Lights.

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Frequently Asked Questions

What are the typical power consumption and luminous flux ranges for LED inground lights?

According to the directory data, power consumption ranges from 3 to 12 watts, and luminous flux from 300 to 1200 lumens. These values are reference ranges; actual figures depend on the specific model and should be confirmed with the manufacturer.

What ingress protection ratings are available for these fixtures?

The listed ingress protection ratings are IP65 to IP67, per IEC 60529. This indicates resistance to dust and water, but the exact rating for a given product must be verified with the supplier.

Can LED inground lights withstand vehicle traffic?

Impact resistance ratings of IK08 to IK10 (per IEC 62262) suggest suitability for areas with potential mechanical impact, including vehicle loads. However, the actual capability depends on the specific model and installation method; always check with the manufacturer.

What is the typical operating voltage for these lights?

The operating voltage is typically 24 V DC with a tolerance of ±10%. This low voltage is common for outdoor lighting, but always verify the requirements of the specific product.

Data basis: editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Related equipment

Industrial Ecosystem & Supply Chain Structure

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for LED Inground Lights.

Recessed Ground Lights Buried LED Lights In-Grade Luminaires Ground-Recessed Lighting

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review · Page last updated 6 September 2026

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