Ultimate Arm Protection for the Highest Voltage Work
For the most hazardous electrical environments, trust the unmatched protection of NOVAX® Class 4 Rubber Insulating Sleeves. Engineered for use in the most extreme conditions, these sleeves provide maximum electrical insulation for utility crews, linemen, and professionals exposed to voltages up to 36,000V AC.
Featuring a curved elbow design for ergonomic comfort and freedom of movement, these sleeves are built for all-day wear in the field. Made with natural rubber latex and using an eco-friendly aqueous dipping process, they remain soft, flexible, and resilient even under tough conditions.
The bi-color design (Yellow over Red) enhances visual inspections, making it easier to detect surface damage or wear before use—helping maintain the highest level of safety on the job.
AC Maximum Use Voltage: 36,000V
AC Proof Test Voltage: 40,000V
DC Maximum Use Voltage: 54,000V
DC Proof Test Voltage: 70,000V
Certified to ASTM D1051 and EN/IEC 60984 standards
Bi-color (Yellow over Red) for enhanced safety checks
Curved elbow style for a natural fit and improved range of motion
Chlorinated inside and out for easier donning and reduced latex protein content
Made with Type I natural rubber using a sustainable aqueous dip process
Includes rubber straps and buttons for secure, adjustable fit
Whether you’re operating in substations, handling live-line maintenance, or working in high-voltage industrial settings, the NOVAX® Class 4 Rubber Insulating Sleeves deliver the highest class of protection trusted by safety professionals worldwide.
| Sizes | A | B | C | D |
|---|---|---|---|---|
| Small, Sm | 616mm (24 ½ in.) | 384mm (15 1/8 in.) | 311mm (12 ½ in.) | 146mm (5 ¼ in.) |
| Regular, Rg | 673mm (26 ½ in.) | 394mm (15 ½ in.) | 311mm (12 ½ in.) | 146mm (5 ¼ in.) |
| Large, Lg | 706mm (27 ¾ in.) | 406mm (16 in.) | 327mm (12 7/8 in.) | 175mm (6 7/8 in.) |
| Extra Large, Xlg | 749mm (29 ½ in.) | 445mm (17 ½ in.) | 327mm (12 7/8 in.) | 178mm (6 in.) |
| Tolerance | ± 13mm (± ½ in.) | Min. allowable length | ±13mm (± ½ in.) | ± 6mm (± ¼ in.) |
