TOPSUN LIGHTING Blog - Insights on Track, Ceiling, and Wall Lighting

The dimensions and specifications of recessed downlights include physical parameters such as the downlight’s outer size, the cut-out size, and the installation depth. The cut-out size directly affects whether the downlight can be successfully embedded and installed, and is closely related to the spatial lighting layout.

March 26th, 2026

3 phase 4 Wires Track Lighting Rail and Accessories

3 phase 4 wires track lighting rail and accessories, with their advantages of independent three-circuit control, high load capacity, intelligent dimming compatibility, and flexible splicing, have become the mainstream choice for high-end commercial lighting both domestically and internationally, and are also a core procurement category for foreign trade manufacturers, contractors, and lighting designers.

January 13th, 2026

How to choose the right LED ceiling lights for home？

When choosing LED ceiling lights for the home, we need to consider the design, size, power, and other technical specifications.

December 30th, 2025

How to Install the LED Magnetic Track System: A Step-by-Step Guide

Installing a magnetic track lighting system is quick, straightforward, and requires minimal tools, making it ideal for both DIY enthusiasts and professional installers. This guide will help you learn how to install four types of magnetic track rail: pre-embedded, plaster Installation, surface, and suspended installation.

October 20th, 2025

How to Design lighting for Bakery Shops?

Bakeries should use bright, even lighting to ensure that customers can clearly see the displayed products and provide a pleasant and comfortable dining environment. And choose the warm color temperature, between 2700K and 3500K, which can better show the color and texture of bread and cakes.

October 11th, 2025

How to design lighting for coffee shops?

Professional coffee shop lighting design uses light intensity, color temperature, and color rendering to create a comfortable environment, a relaxing atmosphere, and a warm and inviting space. Lighting selection is the core of this approach. Enabling customers to feel the warmth of the coffee shop through the light is a must-know for every coffee shop owner.

October 9th, 2025

60W waterproof IP65 surface mounted LED downlight with DALI dimmable for BUS station

60W waterproof IP65 surface-mounted LED downlight with DALI dimmable is a perfect choice for the bus station.

September 22nd, 2025

Customized Hotel room numbers signage LED wall lights

Elevate Your Hotel's Aesthetics & Functionality with Customized Hotel Room Numbers Signage LED Wall Lights.

September 5th, 2025

All you need to know about DALI dimmable LED lighting system

DALI, a protocol designed specifically for lighting control, is widely used for scene control and lighting source status feedback. It breathes new life into lighting fixtures, giving each one a unique address. Importantly, the DALI system isn't limited to specific light sources or fixtures; instead, it requires that key components like ballasts and drivers conform to its standards. Together, these components form the luminaire's address system.

August 30th, 2025

All you need to know about Waterproof IP65 Downlight

Waterproof IP65 downlights are designed specifically for humid environments. Utilizing top-quality waterproof materials and a sealed structure, they effectively resist moisture, splashes, and even brief immersion, ensuring safe and stable lighting. Suitable for kitchens, bathrooms, outdoor patios, and other spaces, they provide soft, even light and are easy to install, making them an ideal lighting solution for humid environments.

August 25th, 2025

How to choose the right wattage of recessed downlights?

Choose the appropriate wattage recessed downlights according to the space area, floor height, and your own needs to create a comfortable lighting environment.

July 21st, 2025

The difference between LED downlight and LED spotlight - How to choose ?

LED downlights emit scattered light, offering a wide range of illumination, and typically have an angle of 60°-120 °, suitable for spaces that require uniform light. The LED Spotlight is focused, with a slight irradiation angle (usually 10°-45°), making it ideal for spaces that require highlighting key points.

July 19th, 2025

Dimmable LED lighting system：0-10V Vs. 1-10V Dimming

0/1-10V dimming technology is not only suitable for various types of LED lamps (such as linear LED lighting, LED downlights, and LED track lights) but also compatible with a wide range of control systems to meet complex lighting needs.

July 11th, 2025

Top Sun Lighting: A Leading manufacturer in High-Performance LED Track Lights China

Top Sun Lighting is a leading professional LED track lighting manufacturer in China. It provides customers with a variety of customized lighting products and is deeply loved and trusted by customers.

July 6th, 2025

LED track lights not turning on ？ This guide will help you check and fix the problem.

Observe the status of the LED track light. If some of the track lights are on, it may be a single lamp failure; if all track lights are not turned on, check the common line.

July 5th, 2025

How to choose the best LED ceiling lamp for living room ？

6 tips you need to consider when you choose the LED ceiling lamp for your living room.

June 28th, 2025

A complete guide to choose LED track lighting

No More Confusion in Choosing Track Lights! From creating a warm home ambiance to achieving precise commercial lighting, simply master four core parameters—brightness, color temperature, color rendering index, and beam angle—to easily craft your ideal lighting effects.

June 21st, 2025

How to choose the right recessed LED spotlight？

When choosing LED spotlights, consider the following six factors: light source, flicker-free operation, Anti-Glare Properties, light effect, materials, chip and driver.

June 18th, 2025

How to layout and choose the bathroom lighting？

IP65 LED waterproof downlights are very suitable for bathroom lighting.

June 17th, 2025

Modern Bedside Wall Lamp LED for hotel

The bedside wall lamp is a lighting device installed on the wall at the head of the bed, primarily used to provide a soft reading light and create a warm atmosphere.

June 16th, 2025

Why choose aluminum as the heat sink of LED lamps？

Except for some special lamps, most LED lamps choose aluminum as the heat sink.

April 9th, 2025

Does the wiring of LED downlights need to distinguish between the neutral and live wires?

Although there is no need to distinguish between the neutral and live wires when installing LED downlights, we still need to follow the safe operating requirements.

February 10th, 2025

Why do LED lights still have a little glow after being switched off?

There are five common reasons why the LED lights glow after being turned off and six solutions to solve them. When you check it by yourself, you need to observe the safety precautions.

February 17th, 2025

Everything you need to know about LED light decay

The essence of LED light decay is the combined result of heat accumulation and material aging. By optimizing heat dissipation design (such as heat pipe technology), selecting high-temperature resistant materials (such as ceramic substrates), and strictly controlling the driving current (constant current power supply), the light decay rate can be reduced to less than 1% per year.

February 7th, 2025

LED linear light Vs. LED linear light bar

Significant differences exist between LED linear light and LED linear light bars in appearance design, function, lighting effect, application scenarios, price, etc.

February 3rd, 2025

Everything you need to know about LED wall lamp

LED wall lamps play an important role in lighting applications. Its decorativeness and atmosphere cannot be ignored. Today, we will introduce the various types of wall lamps and some installation suggestions.

January 31st, 2025

Frequently Asked Questions about Residential Lighting

Frequently Asked Questions about Residential Lighting to help you make the best choice for your home.

January 27th, 2025

8 types of lighting distribution principles

8 types of lighting distribution principles to help you design and choose the best LED lighting for your home. Principles of lighting distribution are lighting the wall, the cabinet, and the painting; controlling the distance; designing the light to reduce the glare; and supplementing the active lighting in the functional area.

January 20th, 2025

Saudi Arabia SASO Energy Efficiency Class standard for LED lighting

The EER certification standards for Saudi market LED lighting are divided into three categories: SASO 2870, SASO 2902, and SASO 2927.

January 17th, 2025

New EU Energy Efficiency Class standards for LED lighting

The European ERP standard for LED lighting promotes the sustainable development of the lighting industry. Its main purpose is to ensure that manufacturers' products meet environmental protection and energy efficiency requirements during production, sales, and use. The standard applies to EU member states and other European countries to help companies achieve sustainable operations.

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Everything you need to know about the recessed downlight cut-out size