What Does an IP Rating Mean for LED Lighting Fixtures?
IP means ingress protection. It is an international classification used to describe how well an electrical enclosure protects internal parts against solid objects, dust, water, and moisture.
An IP rating is written as IPXY. The first number shows protection against dust and foreign objects. The second number shows protection against water ingress. A higher number means stronger protection within that category, so IP68 provides stronger water protection than IP61.
For harsh or wet applications, buyers can compare this guide with ShineLong's LED tri-proof lights and the related IP65 LED lights guide.
First DigitShows protection against objects, access to live parts, and dust intrusion.
Second DigitShows protection against dripping, splashing, jets, immersion, and washdown.
Higher NumberUsually means stronger protection within the same dust or water category.
Application MatchChoose the rating according to moisture, cleaning, dust, and installation risk.
How Does the IPXY Code Explain Dust and Water Protection?
IPXY separates mechanical or dust protection from moisture protection. This makes it easier to compare whether a fixture is suitable for dry indoor rooms, dusty factories, outdoor rain, washdown areas, immersion, or high-pressure cleaning.
What Do the Dust and Water Numbers in an IP Rating Mean?
The dust number runs from 0 to 6, while the water number runs from 0 to 8, with IP69K used for strong, close-range, high-temperature water jets. The tables below convert the rating graphics into readable text for buyers and search engines.
Dust or Object Resistance Levels
0No protection against dust or object penetration.
1Prevents intrusion by objects above 50 mm and helps reduce accidental contact with live parts.
2Blocks objects larger than 12.5 mm, including fingers, large tools, and large insects.
3Prevents intrusion by objects larger than 2.5 mm, such as wires and tools, but is not fully dust protected.
4Blocks objects above 1.0 mm, including small insects and similar objects.
5Offers partial dust protection; limited dust may enter but should not affect normal operation.
6Dust-tight protection designed to completely block dust and object intrusion.
Water or Moisture Resistance Levels
0No protection against water or moisture penetration.
1Protected against vertically falling water drips.
2Protected against dripping water when the device is tilted by 15 degrees.
3Protected against sprayed water, rainfall, or water directed at an angle below 50 degrees.
4Protected against splashing water from all directions.
5Protected against water intrusion from larger waves or spray holes.
6Protected against water exposure for a specific time or pressure range while continuing to operate.
7Protected against temporary submersion below 1 m for about 30 minutes under suitable conditions.
8Designed to keep working after longer immersion under conditions agreed between supplier and buyer.
9KProtected against strong, close-range, high-temperature water jets.
Which IP Ratings Are Used Across ShineLong LED Products?
ShineLong uses different IP ratings according to product structure and application environment. Indoor tubes, panels, linear lights, tri-proof lights, and washdown fixtures should not be specified with the same protection level.
LED Tube Lights
Indoor tube products such as Expert T8 are used where direct water exposure is not expected.
View tube lightPanels and Linear Lights
Many indoor LED panel, Slice, Smart, Disc, Intact, and K-lens lighting products are designed for cleaner indoor spaces.
View panel lightsLED Tri-proof Lights
Alpha, Parkade, and EcoMini tri-proof lights support dusty, wet, or semi-outdoor applications that need stronger enclosure protection.
View tri-proof lightsRancher LED Lights
Rancher IP69K fixtures are suited for demanding washdown environments with high-pressure, high-temperature water jets.
View Rancher IP69KHow Are LED Products Tested for Water Ingress Protection?
Water ingress testing uses different equipment, flow rates, distances, angles, and durations depending on the target rating. The cards below organize each method so buyers can compare test conditions without reading a long technical paragraph.
Method 1: IPX1 Vertical Drop Test
Equipment: Drip test apparatus.
Condition: Drip volume of 1.0 +/- 0.5 mm/min.
Duration: 10 minutes. The sample rotates once per minute in normal working position, with the drip source no more than 200 mm above it.
Method 2: IPX2 Tilted 15-Degree Drip Test
Equipment: Drip test apparatus.
Condition: Drip volume of 3.0 +/- 0.5 mm/min.
Duration: 10 minutes total, with four faces tested for 2.5 minutes each at a 15-degree tilt.
Method 3: IPX3 Water Splash Test
Equipment: Pendulum tube or hand-held splashing device.
Condition: Oscillating tube holes pour 0.07 L/min each, or hand shower water flow is 10 L/min.
Duration: 10 minutes for the tube test, or 1 minute per square meter with a 5-minute minimum for the hand shower test.
Method 4: IPX4 Water Shower Test
Equipment: Similar to IPX3 pendulum tube or hand-held device.
Condition: The arc changes from 60 degrees to 90 degrees on each side, and the tube swings about 360 degrees total.
Duration: Similar to IPX3, with each 2 x 360-degree swing lasting about 12 seconds.
Method 5: IPX5 Water Spray Test
Equipment: Nozzle with 6.3 mm inner diameter.
Condition: Sample is 2.5 m to 3 m from the nozzle and receives 12.5 L/min, or 750 L/hour.
Duration: 1 minute per square meter excluding installation area, with at least 3 minutes total.
Method 6: IPX6 Strong Water Spray Test
Equipment: Spray nozzle with 12.5 mm inner diameter.
Condition: Sample is 2.5 m to 3 m from the nozzle and receives 100 L/min, or 6,000 L/hour.
Duration: 1 minute per square meter excluding installation area, with at least 3 minutes total.
Method 7: IPX7 Short-Term Flooding Test
Equipment: Immersion tank.
Condition: Sample is immersed at a depth of at least 0.15 m and no more than 1 m.
Duration: 30 minutes.
Method 8: IPX8 Continuous Diving Test
Equipment: Agreed between supplier and buyer.
Condition: Test conditions and duration are agreed for the application, and should be more severe than IPX7.
Note: Some outdoor products may also require floating ability depending on use.
Method 9: IP69K High-Pressure Water Test
Equipment: High-pressure water gun.
Condition: Test from 0, 30, 60, and 90 degrees. Spray distance is 100 mm to 150 mm, turntable speed is 5 rotations/min, water flow is 14-16 L/min, pressure is 8,000-10,000 kPa, and temperature is 80 +/- 5 C.
Duration: 30 seconds per direction.
IP Rating FAQs
IP rating means ingress protection rating. It describes how well an electrical enclosure protects internal parts from solid objects, dust, water, and moisture.
In IP65, the 6 means dust-tight protection, and the 5 means protection against water spray. It is commonly used for wet, dusty, or semi-outdoor LED lighting applications.
IP68 has stronger immersion protection than IP65, but it is not automatically the best choice for every project. Buyers should match the rating to the real exposure, cleaning method, installation position, and maintenance needs.
IP69K is useful when fixtures may face close-range, high-pressure, high-temperature water jets, such as demanding washdown environments and hygiene-focused industrial spaces.
How Should Buyers Use IP Ratings When Selecting LED Lights?
IP ratings help buyers compare enclosure protection, but they should be read together with installation position, cleaning method, dust level, moisture exposure, water pressure, temperature, and maintenance access. IP65, IP66, IP68, and IP69K are different engineering answers, not interchangeable labels.
ShineLong believes IP rating selection should start from the real environment. A dry indoor office, a dusty warehouse, an outdoor parking area, and a high-pressure washdown zone need different fixture structures, sealing designs, and test expectations.
Need Help Choosing the Right IP Rating?
Send ShineLong your application, installation position, water exposure, cleaning method, target IP rating, fixture quantity, and project requirements. Our team can help evaluate a suitable LED lighting solution.
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