Electrical Insulating Safety Shoes are personal protective equipment built for one job. Current cannot travel through the wearer's body to the ground in them. Anti-static (SD) footwear works the other way round. Power runs to ground so static never builds up. Insulating shoes use high-impedance materials instead, and those stop the flow outright. Electric shock, arc flash injury, and step voltage hazards are what crews get protection from. Meeting NFPA 70E and ASTM F2413 (EH rating) is part of what the design supports. EN 50321 also covers live working environments.

Xi'An PPE MAX Co., Ltd has manufactured professional-grade protective footwear since 1956. We serve utility companies, industrial manufacturers, and EV facilities across global markets. Our production covers this product built for live-line maintenance, power distribution, and EV manufacturing environments, with voltage protection from 14 kV to 35 kV and leakage current maintained below 3 mA.
| Parameter | Details |
|---|---|
| Voltage Protection Range | 14 kV – 35 kV (Class 00 to Class 4, EN 50321) |
| Max Leakage Current | < 3 mA (< 1 mA for specific classes) |
| Outsole Material | Vulcanized rubber / PU-Rubber blends |
| Toe Cap Type | Non-metallic composite (preferred) / Encapsulated steel |
| Chemical Resistance | Oil, acid, and hydrolysis resistant |
| Slip Resistance Rating | SRC (highest level) |
| Proof Voltage Test | 5 kV / 10 kV / 20 kV per EN 50321-1 |
| EH Leather Footwear Standard | 18 kV at 60 Hz for 1 minute, leakage < 1.0 mA (ASTM F2413) |
| Abrasion Resistance | Per ISO 20344 |
| Additional Standards | ISO 20345, ASTM F2413-18 |
High-Impedance Outsole Construction
The outsole is made from vulcanized rubber or a PU/Rubber blend. Dielectric continuity holds up under mechanical stress. Moisture and chemical exposure do not break it either.
Non-Metallic Composite Toe Cap
Composite toes leave out every metal part that could shrink dielectric clearance. Steel toes get specified sometimes. Then the whole toe is sealed inside non-conductive material, which keeps the insulation sound.
Chemical and Hydrolysis Resistance
The outsole material will not break down when oil gets on it. Acid causes no harm either. Hydrolysis does not damage it. That means the sole holds its insulating power longer, and it does not wear out as fast.
SRC-Rated Slip Resistance
Wet or uneven ground is normal in utility yards and substations. The SRC-rated grip cuts the chance of a slip near live equipment.
Thermal Insulation Liner
A second thermal buffer comes from the insulating liner. Your foot stays comfortable in it. When temperatures turn extreme, that layer gives you Electrical Insulating Safety Shoes with extra protection.




Power Transmission & Distribution
Class 1–4 dielectric boots are a must for linemen and substation technicians. They need them when they operate high-voltage switchgear, climb poles, or work near step-touch potential hazards.
Building and Servicing Electric Vehicles (EVs)
Some technicians handle battery systems rated 400 V to 800 V. For them, EH-rated footwear is a must. That work includes assembly, testing, and emergency response.
Railway Electrification Systems
Third rails and overhead catenaries put maintenance workers in front of two hazards at once. High voltage (AC/DC) is one. Wet conditions are the other. These shoes hold their insulating properties even under heavy mechanical stress.
Before any pair leaves the factory, it goes through several checks. There is a Withstand Voltage Test. The sole bonding strength gets tested too. We also verify the thickness of the insulating liner. Accelerated aging evaluation comes last. PPE MAX has run this same testing process since 1956. The full test scope is written down and can be reviewed on request.

Our insulating footwear is produced and tested in compliance with:

Every pair ships in its own shoe box. The label shows voltage class. Size and the certification reference appear on it too. Outer cartons get extra strength for export shipping. Bulk orders can ask for custom packaging and labeling.
PPE MAX takes care of after-sales support. Guidance on Electrical Insulating Safety Shoes re-testing is part of it. So are product documents and advice on replacements. When the footwear is the main protection, dielectric re-certification should be done every 6 to 12 months. With EH-rated leather shoes, give the soles a visual check each day. Cracks and wear are what to watch for.

Q: What separates anti-static (SD) shoes from electrical insulating (EH) shoes?
A: These two do opposite jobs. Anti-static shoes let current drain into the ground, so static never builds up. This product work the other way: the wearer is cut off from the ground completely. Current from a live circuit has no path through them.
Q: Do these shoes stay safe once the ground gets wet?
A: That comes down to the certification. Leather EH-rated shoes only give secondary protection when they stay dry. For wet areas you need dielectric rubber or polymer boots with EN 50321 certification.
Q: How often should insulating properties be tested?
A: Boots used as your main protection are re-tested every 6 to 12 months. On EH-rated leather shoes, check the sole each day. Look for cracks and wear.
Q: Does insulation suffer when steel toe caps are used?
A: Not if the build is right. A steel toe has to sit fully inside non-conductive material. Composite toes are the better pick. They leave out the metal part that could cut down dielectric clearance.
Q: What counts as a failure when you inspect?
A: A cracked outsole counts as a failure. Punctures do too, and so does a deep cut, or wear that thins the sole away. Any of these faults drag the breakdown voltage threshold down. When that point is reached, the shoe can no longer be trusted for electrical hazard work.
Q: What voltage classes are available?
A: Our range covers Class 00 to Class 4 under EN 50321, supporting protection from 14 kV up to 35 kV depending on the class selected for your work conditions.
For specifications, samples, or custom requirements, contact us at bettybing@ppemax.com. We respond to inquiries for electrical insulating safety shoes within one business day.
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