Dielectric Boots

Dielectric Pro Boots

An electrically insulating dielectric boot with an integral steel toe cap and penetration resistant mid-sole combined with a 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). 

Available in:


Request a Quote Request a Wear Trial


Product Features

  • The first Class 2 Dielectric boot with an integral penetration resistant midsole that continues to provide Class 2 protection even when the rubber outsole is punctured (by a screw/nail etc) 
  • 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 
  • Vulcanized rubber sole for improved slip resistance - 30% better than a conventional safety boot sole 
  • Durable, cut-resistant vulcanised rubber sole, significantly extends working life, even in harsh terrain 
  • Cleated outsole for maximum grip in wet and oily conditions (SR
  • Ladder grip cleats on instep (LG
  • Heat resistant sole EN 20345 HRO, 60 seconds at 300°C 
  • Cold insulation to EN ISO 20345 CI 
  • Fuel and oil resistant sole (FO
  • Our latest ergonomic cushioned insole significantly improves wearer comfort and thermal insulation 
  • Energy absorbing tunnel system in heel to EN 20345 E 
  • Non-wicking knitted nylon lining 
  • Kick-off lug 
  • Adjustable height 
  • CE marked on the shaft with date and year of manufacture 
  • REACH Compliant 


Safety Footwear

EN ISO 20345:2022+A1:2024 - SB P E CI HRO FO LG SR

Electrically Insulating Footwear

EN 50321:2018 Class 2 AC

Dielectric Footwear

ASTM F1117 (20kV)

Personal Protective Equipment

PPE Regulation (EU) 2016/425

Additional Testing

Step Voltage Protection

ASTM 2413 EH (18kV)


Machine washable at up to 40℃

Shelf life of 10 years


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.


Please tick the box below if you would like occasional email updates.

Request a Quote

Product Image

Dielectric Pro Boots

Similar Products

Dielectric side & sole.jpg

Dielectric Boots

An electrically insulating dielectric boot with an integral steel toe cap and...

More Details

Dielectric HV3 side & sole.jpg

Dielectric HV3 Boots

A Class 3 AC (EN 50321-1:2018) electrically insulating dielectric boot with...

More Details

Dielectric Maxi + Boot.jpg

Dielectric Maxi Overboots

A Class 1 (EN 50321-1:2018) electrically insulating dielectric overboot with...

More Details

Item added to Comparison List

View Comparison