Dielectric Class 2 Boots

An electrically insulating dielectric boot with an integral steel toe cap and vulcanised rubber sole for superior slip resistance. The Respirex Dielectric boot allows high-voltage live working at up to 17kV, with every boot tested at 20kV AC, with optional DC testing at 40kV (Class 1). 

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Dielectric side & sole.jpg

Product Features

  • Injection moulded using our proprietary Dielectric compound for a seamless boot with excellent electrical insulation properties 
  • Step voltage protection up to 35kV*
  • Arc flash protection – Meets the requirements of ASTM F2621-2019 at 40Cal/cm²**
  • 200 Joule epoxy coated steel toe cap (soft toe version also available) 
  • Vulcanized rubber sole for improved slip resistance - 30% better than a conventional safety boot sole
  • Durable, cut-resistent vulcanised rubber sole, significantly extends working life, even in harsh terrain
  • Cleated outsole for maximum grip in wet and oily conditions (SR)
  • Heat resistant sole EN 20345:2022 HRO, 60 seconds at 300°C 
  • Cold insulation to EN ISO 20345:2022 CI
  • Fuel and oil resistant sole
  • Ergonomic cushioned insole (removable & machine washable) for greater wearer comfort
  • Energy absorbing tunnel system in heel to EN 20345:2022 E
  • Non-wicking knitted nylon lining
  • Kick-off lug
  • Adjustable height
  • CE marked on the shaft with date and year of manufacture
  • REACH Compliant

Product Applications


Safety Footwear

EN ISO 20345:2022 - SB E CI HRO SR FO

Electrically Insulating Footwear

EN 50321:2018 Class 2

Dielectric Footwear

ASTM F1117

Personal Protective Equipment

PPE Regulation (EU) 2016/425

Additional Testing

Step Voltage Protection

ASTM 2413 EH (18kV)


Commodity Code: 6402911000

UK 3 4 5 6 7 8 9 10 11 12 13 14 15
EU 35 36 37 39 41 42 43 44 45 46 47 49 50
US 4 5 6 7 8 9 10 11 12 13 14 15 16

Workmaster™ boots are generously sized as they are designed to accommodate wearers with thicker socks or a thermal lining. We recommend downloading the A3 Size Guide below to ensure the perfect fit.


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Dielectric Class 2 Boots

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