Exhibition
Temporary exhibition power supply faces challenges including concentrated electric loads, frequent assembly & disassembly, short service cycles, dense crowds and strict safety regulations. Our product range includes high-current quick connectors, waterproof industrial connectors and smart temporary distribution boxes with supporting accessories.The distribution boxes are equipped with multi-protection against leakage, overload and short circuit. High-current connectors feature quick plug-in, anti-misplug design and high current capacity for tool-free fast wiring. Our solution applies to indoor exhibition halls and outdoor events. We provide one-stop services including power planning, equipment supply, technical support and on-site emergency service, ensuring stable and safe power supply and complying with exhibition temporary electrical standards.
The Core Hub of Exhibition Power Systems
In trade shows, expositions, fairs, industry exhibitions, and other commercial display scenarios, high current connectors and booth power distribution boxes form the backbone of the entire temporary power supply system. Exhibition environments present unique challenges: temporary setup, high-frequency assembly/disassembly, dense booth layouts, and diverse power requirements—from hundreds-of-watts booth lighting to tens-of-thousands-watts heavy machinery demonstrations—all requiring stable, safe, and efficient power delivery.
Exhibition power distribution boxes (also known as booth boxes or floor distribution boxes) serve as the central hub for power distribution, converting three-phase high-current power from the venue's main grid into multiple output channels for various booth equipment. According to the Code for Electrical Design of Exhibition Buildings (JGJ333-2014), a booth box is a junction box equipped with power connectors and information interfaces for data, audio, and video. High current connectors are the critical interfaces connecting distribution boxes to exhibit equipment, and their performance directly impacts the stability and safety of the entire temporary power system.
Exhibition power environments present special challenges: temporary setups, frequent plugging/unplugging, damp floor conditions, and dense foot traffic. Standard household connectors are entirely inadequate. Professional high current connectors must possess high current carrying capacity, quick connect/disconnect, water and dust resistance (IP67 and above), and vibration-proof anti-loosening capabilities.
Standard Booths vs. Custom Exhibits
Exhibition booths fall into two main categories—standard booths and custom exhibits—with vastly different power requirements.
(A) Standard Booths (3m × 3m and Combined Configurations)
Standard booths are typically equipped with booth socket boxes providing basic power supply. Typical configurations include:
16A/32A CEE industrial sockets: Powering booth lighting and small display equipment
220V/16A single-phase sockets: For laptops, monitors, and other everyday equipment
Low-voltage information interfaces: Including voice, data, and fiber optic ports for network and communication needs
Standard booths use a trunk distribution method, with power supplied sequentially from the venue's regional distribution boxes along the booth cable trenches. This approach offers simple wiring and controlled costs, suitable for rapid deployment of large-scale standardized booths.
(B) Custom Exhibits and Large-Product Booths
Custom exhibits and large-product booths have significantly higher power demands than standard booths, often requiring 125A and above high-power industrial connector sockets to power large-scale product demonstrations. Typical configurations include:
125A/63A/32A multi-circuit high-current outputs: For high-power equipment such as large machinery, interactive installations, and LED video walls
400V three-phase power: For three-phase motors, large air conditioning units, and similar equipment
IP66/IP67 high protection ratings: Ensuring electrical safety in challenging booth environments with damp floors and heavy foot traffic
Custom exhibits typically use a radial distribution method, with power supplied directly from the exhibition distribution cabinet to each booth box, ensuring independent and stable power for high-power equipment.
Booth Lighting Equipment
Exhibition lighting systems include booth basic illumination, exhibit accent lighting, decorative ambient lighting, and LED strip lights, with power ratings ranging from tens of watts to several kilowatts.
(A) Low-to-Medium Power Lighting
LED spotlights, track lights, and LED strips in booths are typically powered via 16A CEE industrial sockets or PowerCON connectors. PowerCON connectors feature a twist-lock mechanism that effectively prevents accidental disconnection caused by foot traffic or equipment vibration.
(B) Large Booths and Outdoor Exhibition Lighting
For large custom exhibits or outdoor exhibitions with high-power lighting requirements, higher-specification connectors are needed:
DL28 series high current connectors: Supporting up to 50A current transmission, with a footprint nearly 50% smaller than traditional IEC60309 plugs—ideal for compact distribution box layouts
IP65/IP67 waterproof connectors: Essential for outdoor exhibitions, ensuring electrical safety in rainy or humid conditions
Audio and Multimedia Equipment
Modern exhibition audio systems, multimedia interactive installations, and AV playback equipment have stringent power quality requirements. Audio systems are particularly sensitive to power purity—power stability directly impacts sound clarity and presentation quality.
(A) Audio System Power Supply
Exhibition audio equipment primarily includes active speakers, power amplifiers, and mixing consoles. Professional audio systems typically employ:
PowerCON 20A/32A connectors: Providing high-current, locking, reliable power connections for amplifiers and active speakers
32A IEC connectors: Some high-end audio equipment uses higher-rated connectors for safe current transmission
(B) Multimedia Interactive Equipment
Touchscreen all-in-ones, projection equipment, interactive walls, and other multimedia devices typically draw both power and data signals through the booth box's integrated information interfaces. Some integrated booth boxes also feature water supply points and compressed air interfaces for special display requirements.
LED Displays and Video Equipment
Modern exhibition LED video walls, electronic display boards, and digital signage are major consumers of booth power. Large exhibition LED walls are assembled from numerous modules, requiring high-density power distribution.
(A) Dedicated Connectors for LED Screens
LED screen power connectors must accommodate high-density installation and rapid assembly:
CAC3 series connectors: Locking power connectors specifically designed for LED screens, rated 20A/250VAC
Waterproof aviation plugs: IP65 and above for reliable outdoor exhibition operation
DL28 compact connectors: Small footprint with high current capacity, ideal for high-density LED screen installations
(B) LED Screen Power Distribution Solutions
Large LED video walls are typically powered through booth distribution boxes with multiple output channels serving different screen zones. Real-time monitoring (digital voltmeters and ammeters) is critical for ensuring stable LED screen operation.
The 300sqm Booth — When “Professional Wiring” Wasn't Enough
Scenario: A 300-square-meter custom-built exhibition booth featuring a large LED video wall, dynamic lighting displays, multiple interactive kiosks, and a presentation stage. The booth was designed to be the centerpiece of a major industry trade show.
The Challenge: The exhibition team hired a licensed electrician to handle all power connections. The wiring looked professional. The cables were neatly routed. Everything appeared to be in order. But on the morning of Day 1, the LED video wall flickered — not once, but three times. The client was furious.
The culprit? An improperly grounded connection. The electrician had done everything "by the book" for a standard construction site — but exhibition environments are different. The temporary power distribution systems used in exhibition halls often have their own quirks. Many venues provide temporary power with ground connections that are less than ideal. And when the ground isn't solid, the EMI filtering circuits in LED power supplies have nowhere to discharge interference current — causing voltage fluctuations that manifest as flickering screens.
The Solution: The team replaced the standard power distribution box connection with a professional stage power distro box featuring:
Proper grounding architecture with verified low-resistance earth connections
High-current connectors with secure locking mechanisms to prevent accidental disconnection
Individual circuit protection for each equipment group (LED wall, lighting, audio, interactive displays)
The Results:
Zero flickering or power issues for the remainder of the 3-day show
The power distribution unit allowed for quick isolation and troubleshooting of individual circuits
The client's brand experience ran flawlessly — no embarrassing interruptions
The Voltage Drop Nightmare — Why Cable Gauge Matters
Scenario: A mid-sized exhibition booth with a 40A industrial connector (the standard blue round CEE socket) fed by a 10-square-millimeter cable from the hall's main distribution panel. The booth's equipment included an LED screen drawing approximately 20A, stage lighting drawing 15A, plus computers, printers, and other miscellaneous devices — pushing the total load past 30A.
The Challenge: Everything worked fine during setup and morning hours. But when the exhibition floor filled with attendees in the afternoon — and neighboring booths began their presentations — the LED screen started flickering. The issue was voltage drop.
When current flows through a long, undersized cable, voltage drops. LED drivers are particularly sensitive to voltage fluctuations — when voltage falls below 200V, screens begin to flicker. The 10mm² cable supplied by the venue simply wasn't adequate for the booth's actual power consumption.
The Solution: The exhibition team requested that the venue replace the feed cable from the distribution panel to the booth with 16mm² cable — a relatively small upgrade costing approximately $30-40. Additionally, they deployed a power distribution box at the booth end with:
Built-in voltage monitoring to detect drops before they affect equipment
High-current connectors rated for the full load with minimal contact resistance
Individual breakers for different equipment groups to prevent cascading failures
The Results:
Voltage stabilized at the booth — no more flickering
The power distribution unit provided real-time load visibility
The booth ran flawlessly through peak attendance hours
The Convention Center Catwalk — Accessing Power from Above
Scenario: An experiential marketing company needed to set up an elaborate trade show exhibit in a large convention center. The booth required substantial power — far more than could be drawn from standard floor outlets.
The Challenge: The only available high-capacity power source was the bus duct system mounted on the catwalk above the exhibition floor. The team needed a way to safely and quickly tap into this power source and distribute it down to their booth equipment — all within the tight setup window.
Traditional approaches would have required extensive custom wiring, long setup times, and significant safety risks. The team needed a solution that was both fast to deploy and absolutely reliable.
The Solution: A custom power distribution box was designed specifically for bus duct access. The distribution boxes were equipped with CAM lock connectors — high-current, single-pole connectors rated for temporary power distribution. These connectors enabled:
Quick connection to the bus duct system
Rapid deployment of the power distribution network
Safe, secure connections that wouldn't vibrate loose during the show
The Results:
The team accessed high-capacity power from the bus duct and set up their entire power distribution system in record time
CAM lock connectors provided secure, reliable connections throughout the multi-day event
No power interruptions — the booth ran at full capacity for the entire show
The Exhibition Hall Expansion — 8,100 Square Meters of Reliable Power
Scenario: A major exhibition venue expanded its hall space to 8,100 square meters, divisible into three separate 2,700-square-meter halls — one featuring an 18-meter-high ceiling for stage sets and large-scale exhibits.
The Challenge: The venue hosted events with wildly varying power requirements. Some exhibitions needed only standard 32A connections for basic booths. Others required 125A supplies for massive LED video walls and elaborate stage productions. The power distribution system had to handle this diversity — and do so reliably.
Power failures in an exhibition venue aren't just inconvenient — they can be financially catastrophic if an event has to be canceled. The venue needed a power distribution solution that could:
Deliver reliable power at correct voltage and current for any event type
Adapt to different hall configurations
Provide safe, accessible connection points throughout the space
The Solution: The venue installed custom single-point distribution systems (power clusters) throughout the expanded halls. Each power distribution panel featured:
A 630A 4-pole main circuit breaker
400A Powerlock connectors for high-capacity feeds
Multiple 125A, 63A, and 32A panel-mount socket outlets for different equipment types
Custom RCD (residual current device) protection for employee safety
Wall-mounted panels designed to fit within stage space constraints
The Results:
The venue now supports any exhibition type — from simple trade shows to complex stage productions
The power distribution boxes provide safe, accessible power throughout the 8,100-square-meter space
Event organizers can quickly connect their equipment using standardized high-current connectors
No power-related event cancellations since installation
The Multi-Booth Power Distribution Challenge
Scenario: A large corporate exhibition presence spanning multiple adjacent booths — each with different power requirements. One booth featured a massive LED video wall. Another had interactive touchscreens and lighting displays. A third hosted product demonstrations with motorized displays.
The Challenge: Each booth had its own power distribution needs, but they all shared a single main feed from the venue's distribution panel. The challenge was to:
Distribute power safely and evenly across all booths
Prevent any single booth's equipment from affecting others
Provide individual circuit protection for each booth
Enable quick troubleshooting if any issue arose
The alternative — running separate feeds from the venue's main distribution panel to each booth — would have been expensive, time-consuming, and visually messy.
The Solution: A centralized stage power distribution box was deployed at the main feed point, featuring:
Multiple output circuits with individual breakers for each booth
High-current connectors for the main feed and each output
Clear labeling for easy identification and troubleshooting
IP44-rated connectors for protection against dust and incidental moisture
The Results:
One main feed served all booths safely and efficiently
Each booth had independent circuit protection — a fault in one didn't affect others
Setup was fast and organized — no tangled mess of extension cords
The power distribution unit allowed for quick load balancing
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