Category: Knowledge

How to Install Two Zhaga Sockets on a Single-Power Streetlight? Here’s Your One-Stop Solution!

With the rise of smart cities, more and more luminaires are being designed with dual Zhaga interfaces to support additional smart devices like sensors, cameras, and wireless modules. But a common engineering challenge arises: “What if the luminaire has only one power source, can we still install two Zhaga sockets?” The answer is: YES! By adding […]

How to Adjust a Dusk-to-Dawn Light Sensor — An Expert Guide from Lead-Top

Dusk-to-dawn light sensors also known as photocell sensors, automate the switching of outdoor lights based on ambient light, Have you ever wondered why outdoor lights sometimes be have unexpectedly? Or how to fine-tune your dusk-to-dawn light sensor so it performs exactly as you need? In modern lighting systems, especially those designed for smart city infrastructure, proper […]

How to Test a Dusk-to-Dawn Light Sensor — A Complete Guide by Lead-Top

Is your outdoor light turning on at the wrong time, staying off when it’s dark, or flickering unpredictably? If so, your dusk-to-dawn photocell sensor may not be functioning correctly or at all. Before replacing the sensor or fixture, it’s efficient testing it first, With a few tools and a step-by-step process you can find whether your […]

Is a Dusk-to-Dawn Bulb Safe for Indoor Use? Here’s What You Need to Know

As more homeowners and facility managers embrace automated lighting, dusk-to-dawn bulbs, designed to turn on at night and off at sunrise are becoming a popular choice. But is it safe or practical to use them indoors? The short answer is: Yes, but with conditions. When installed in the right environment, dusk-to-dawn bulbs can safely enhance indoor […]

What Kind of Photocell Is Best for Streetlights? Your Ultimate Guide from Lead-Top

In modern cities, streetlights aren’t just lights, they’re smart infrastructure, Selecting the right photocell sensor is critical for consistent operation, energy savings, and long-term lighting efficiency, Whether you’re managing municipal lighting or outfitting a smart city project, knowing your options helps you choose wisely. At Lead-Top, we specialize in engineering globally certified photocell solutions designed for […]

Why Do Some Streetlights Turn On and Off at the Same Time? The Technology Behind Uniform Lighting

Have you ever seen an entire street’s lights flicking, on at dusk or off at dawn, in perfect uniformity? This cannot be by chance. Right? It is neither a coincidence nor a malfunction; in fact, it is a marvelous display of the most advanced, smart lighting control in action. If you think this unison is by chance, you are wrong. Actually, […]

How to Replace a Dusk-to-Dawn Sensor in a Lamp Post — A Step-by-Step Guide for Reliable Outdoor Lighting

Although quality photocell sensors undergo rigorous testing for high performance. These are mostly reliable and meant to provide consistent performance for years to come, but they can still encounter problems due to tough outdoor conditions and wear as time goes by. While they can be fixed most of the time, at some point, you don’t […]

Photocell Sensor Wiring Diagram & Installation Instructions

A photocell sensor, also called a dusk-to-dawn switch, is a smart device controlling outdoor lighting controllers by switching lights on/off at dusk and dawn, This mechanization increases energy and guarantees consistent lighting, Whether you’re installing a twist-lock photocell or a direct wire-in photocell, understanding the correct wiring diagram and installation process is critical for safety […]

Why Do My LED Lights Turn On and Off By Themselves? Here’s What You Need to Know (and Fix)

If your LED streetlights or LED pole lights randomly turn on and off, you’re not alone. This frustrating issue commonly called as flickering, cycling, or phantom switching, affects outdoor lighting systems. Whether you’re managing municipal streetlights or commercial area lights, these problems not only waste energy but also compromise safety reliability. The good news? Most of these issues […]

Why Every LED Street Light Needs a Photocell Sensor — And How Lead-Top Provides the Smartest Solution

Why Every LED Pole Light Needs a Photocell Sensor — And How Lead-Top Delivers the Smartest Solution In the age of smart cities and sustainable infrastructure, LED pole lights are becoming the gold standard for outdoor illumination, But the secret to their full potential lies in a small yet powerful component: the photocell sensor. These light-detecting devices, […]