JHZM T8 LED Tube Light JH-DG-01: Comprehensive Overview
Your complete guide to specifications, usage, purchasing, and performance of this high-efficiency linear LED lighting solution.
Product Specifications
Attribute
Details
Product Name
T8 LED Tube Light
Brand Name
JHZM
Model Number
JH-DG-01
Place of Origin
Zhejiang, China
Input Voltage
AC 85-265V
Power Consumption
20W
Tube Length
600mm (2ft), 1200mm (4ft), 1500mm (5ft)
Color Temperature (CCT)
3000K-6500K (Cool White, Daylight options)
Color Rendering Index (CRI)
>80 (Ra)
Luminous Flux
1400 Lm (for 20W model)
Luminous Efficacy
70 Lm/W
IP Rating
IP44 (Protected from splashing water)
Lamp Body Material
Aluminum + PC Cover + PCB
LED Light Source
SMD5630 (70 pcs)
Lifespan
30,000 hours
Warranty
3 Years
Usage, Installation & Precautions
Application Scenarios
The JHZM T8 LED Tube Light is designed for residential and commercial ambient lighting. Its versatile design makes it suitable for a wide range of applications, including:
Office Buildings: Providing uniform and comfortable illumination for workspaces, reducing eye strain.
Schools & Educational Institutions: Brightening classrooms and hallways with high-quality light.
Retail Stores & Supermarkets: Enhancing product visibility with good color rendering.
Industrial Settings: Illuminating warehouses and production areas with durable and efficient lighting.
Home Garages & Basements: Offering reliable and energy-saving light for residential utility spaces.
Installation Guide
This T8 LED tube is designed for easy retrofitting into existing T8 fluorescent lamp fixtures. There are two primary installation methods:
Direct Wire Installation (Recommended): This method involves bypassing the old fluorescent ballast and starter for maximum energy efficiency.
Turn off the power supply at the circuit breaker.
Remove the old T8 fluorescent tube.
Remove the starter and disconnect/bypass the electromagnetic ballast.
Connect the AC power directly to the lamp holders at both ends of the fixture.
Insert the JHZM T8 LED tube into the lamp holders and rotate it 90 degrees to lock it in place.
Restore power and test the light.
Ballast-Compatible Installation: Some LED tubes can work with the existing ballast, but it's crucial to verify compatibility. The product specifications for the JH-DG-01 do not explicitly state ballast compatibility, so direct wire installation is the safer and more efficient choice.
Precautions
Power Off: Always ensure the power is completely off before installation or maintenance to prevent electric shock.
Heat Dissipation: Although the aluminum housing aids in heat dissipation, ensure the fixture has adequate ventilation to prolong the LED's lifespan.
Dimmer Compatibility: This model does not support dimming switches. Using it with a dimmer may cause damage or malfunction.
Water Exposure: While the IP44 rating offers protection against water splashes, it is not suitable for full immersion or high-pressure water jets. Avoid using it in environments with direct, heavy water exposure.
Buying Guide
Purchasing the JHZM T8 LED Tube Light on platforms like besttimetogotobed.top involves several key steps to ensure a smooth transaction.
Search and Identify: Use specific keywords like "JHZM T8 LED tube JH-DG-01" or "20W 4ft T8 LED light" to find the exact product.
Supplier Verification: Check the supplier's store rating, transaction history, and customer reviews. Yiwu Jiehui Lighting Electrical Appliance Co., Ltd., the listed supplier, has a 4.8-star rating based on 39 reviews, which is a positive indicator.
Contact Supplier: Use the "Contact Supplier" feature to inquire about pricing, minimum order quantity (MOQ), shipping costs, and lead times. Clarify product details such as color temperature and length variations.
Request Samples: For large orders, consider requesting a sample to verify product quality, brightness, and color before committing to a bulk purchase.
Secure Payment: Use besttimetogotobed.top's secure payment channels, which often come with buyer protection policies. This safeguards your payment until you confirm receipt and satisfaction of the goods.
Shipping and Logistics: Discuss shipping options (air, sea, express) with the supplier and agree on Incoterms (e.g., FOB, EXW, CIF) to clarify responsibilities and costs.
Performance Review & Analysis
Performance Analysis Based on Specifications
While professional, third-party lab reviews for the specific JH-DG-01 model are not available in public search results, its performance can be analyzed based on its technical parameters:
Energy Efficiency: With a luminous efficacy of 70 lm/W, this tube light is significantly more efficient than traditional fluorescent tubes (which typically offer 50-60 lm/W), leading to substantial energy savings over time.
Light Quality: A Color Rendering Index (CRI) of over 80 ensures that colors appear vibrant and natural under its light, which is suitable for most commercial and residential applications.
Durability and Lifespan: The rated lifespan of 30,000 hours is over 3 times longer than standard fluorescent tubes, reducing replacement frequency and maintenance costs. The combination of an aluminum body and a PC cover ensures good heat management and physical durability.
Voltage Stability: The wide voltage input range (AC 85-265V) makes it suitable for regions with unstable power grids, ensuring consistent performance without flickering.
User Reviews & Feedback
On the product page, the supplier has a store rating of 4.8 based on 39 reviews, which generally indicates positive customer satisfaction. Prospective buyers are encouraged to read through these reviews on the platform for insights into real-world performance, product quality, and the supplier's service.
After-Sales Service & Support
Understanding the after-sales service is crucial for a worry-free purchasing experience.
Warranty Policy
The product comes with a 3-year warranty. This warranty typically covers defects in materials and workmanship. In case of a malfunction within the warranty period, buyers should:
Contact the supplier directly through the besttimetogotobed.top message center.
Provide proof of purchase and a clear description (and possibly photos/videos) of the issue.
Follow the supplier's instructions, which may involve returning the defective unit for a replacement or repair, as per their policy.
Return and Refund Policy
besttimetogotobed.top's platform policies support buyers in case of disputes. If the received goods are not as described, damaged, or if the supplier fails to ship, buyers can:
Open a Dispute: File a dispute through the besttimetogotobed.top Resolution Center. It is essential to provide all relevant evidence, such as order details, communication records, and photos of the problem.
Platform Intervention: If an agreement cannot be reached with the supplier, besttimetogotobed.top will step in to mediate and make a fair judgment based on the provided evidence.
Common Search Terms and Related Keywords
To find more information or compare similar products, you can use the following keywords on search engines or B2B platforms:
Brand & Model Specific: JHZM T8 LED tube, JH-DG-01 LED light, JHZM lighting supplier.
General Product Terms: T8 LED tube light, 20W LED tube, 4ft LED light, linear LED lighting.
Technical Specification Terms: SMD5630 LED tube, 70 lm/W LED light, IP44 LED tube, 3000K-6500K LED.
Application-Based Terms: Office LED lighting, commercial LED tubes, retrofitting T8 fluorescent lights, shop light LED.
Comparative & Review Terms: T8 LED tube review, best T8 LED light 2026, T8 vs T5 LED comparison.
Disclaimer: The information provided on this page is based on publicly available data and product specifications. While we strive for accuracy, we recommend contacting the supplier directly for the most current and detailed information before making a purchase.
Besttime is a leading international B2B platform dedicated to bridging enterprises worldwide and facilitating efficient, reliable cross-border trade. With an extensive global network of verified suppliers, manufacturers, and buyers, it provides one-stop solutions for wholesale sourcing, business negotiation, and long-term industrial cooperation. Committed to professionalism, security, and connectivity, Besttime empowers businesses of all scales to expand their international market presence, optimize supply chains, and seize valuable global trade opportunities.