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1.Keywords
High-Voltage Insulated Ladder, Dielectric Fiberglass Ladder, Electrical Safety Ladder, Non-Conductive Work Platform, OSHA-Compliant Insulation Ladder, Utility FRP Ladder, Arc Flash Protection Ladder, Lightweight Insulating Ladder, Industrial Safety Steps
2.Technical Specifications
1. Material & Construction
Parameter |
Specification |
Material |
Vinyl Ester FRP (Fiberglass Reinforced Plastic) |
Dielectric Strength |
≥30 kV/cm (Tested per ASTM D149) |
Rung Spacing |
300mm (OSHA/ANSI compliant) |
Load Capacity |
150kg (Type IA), 300kg (Type IAA) |
Surface Finish |
Textured anti-slip coating (DIN 51130 R11) |
2. Standard Models
Type |
Height (m) |
Max Voltage |
Weight (kg) |
Folded Size |
Step Ladder |
1.2-3.0 |
30kV |
5-12 |
0.3×0.8m |
Extension Ladder |
3.0-10.0 |
50kV |
8-25 |
0.4×1.2m |
Platform Ladder |
1.8-4.5 |
30kV |
10-18 |
0.6×1.0m |
3. Safety Features
✔ Non-Conductive: Zero electrical conductivity (Resistivity >10¹⁴ Ω·cm)
✔ Fire Retardant: UL94 V-0 rating (Self-extinguishing)
✔ Stabilization: Wide-flare base (1.2m span for 3m height)
✔ Tool-Free Locking: Automatic spring-loaded locks
3.Key Advantages
1. Electrical Safety
Voltage Protection Levels:
Ladder Class |
Max Working Voltage |
Test Voltage |
Basic |
1kV |
10kV/1min |
Professional |
30kV |
50kV/3min |
Utility Grade |
50kV |
100kV/5min |
2. Structural Integrity
Load Testing:
Test |
Standard |
Requirement |
Static Load |
ANSI A14.5 |
4× rated load |
Drop Test |
EN 131 |
1m onto steel |
Flexural Strength |
ASTM D790 |
≥250 MPa |
3. Ergonomic Design
Rung Profile:
Oval shape (40×25mm) for comfort
15° upward tilt prevents foot slippage
Carry Handle:
Integrated at balance point (2.5kg/m)
4.Industry Applications
A. Power Transmission
Scenario |
Solution |
500kV Substations |
50kV-rated extension ladders |
Live Line Work |
Fiberglass hooks for crossarms |
B. Telecom
5G Tower Maintenance:
Feature |
Benefit |
Non-Metallic |
No RF interference |
UV-Resistant |
10-year outdoor life |
C. Industrial Facilities
Chemical Plants:
Exposure |
Performance |
HCl Fumes |
No corrosion |
Oil Spills |
Anti-slip remains effective |
D. Emergency Services
Fire Rescue:
Heat-resistant up to 200°C (short-term)
Glow-in-the-dark step markers
5.Certifications & Testing
Electrical: IEC 60900 (Live Working Tools)
Mechanical: ANSI A14.5 / EN 131
Environmental: UV stability per ASTM G154
6.Custom Options
✓ Voltage detection alarms (1kV-50kV)
✓ Foldable work platforms (600×800mm)
✓ Custom logos/labels
7.Contact for
Dielectric test reports
Site-specific height calculations
Bulk order discounts
Indirizzo
20 Xingyuan South Street, contea di Zaoqiang, città di Hengshui, provincia di Hebei, Cina