When you’re working in environments with higher electrical exposure, dependable PPE isn’t optional—it’s essential. NOVAX® Class 1 Rubber Insulating Sleeves are purpose-built to offer superior protection and comfort for professionals handling medium-voltage electrical systems.
These sleeves feature a curved elbow design for a more ergonomic fit, reducing strain and enhancing mobility throughout your workday. Made from high-quality, flexible rubber and tested to meet strict international safety standards, they deliver peace of mind when working around energized components.
AC Maximum Use Voltage: 7,500V
AC Proof Test Voltage: 10,000V
DC Maximum Use Voltage: 11,250V
DC Proof Test Voltage: 40,000V
Class 1 electrical insulation – built for use in medium-voltage work environments
Curved elbow style – improves range of motion and all-day wearability
High-visibility yellow color – promotes awareness and compliance on-site
Single-piece construction – reduces weak points and enhances durability
Fully compliant with ASTM D1051 and international standards
Whether you’re a lineman, electrical technician, or utility worker, these sleeves provide an essential layer of protection that lets you focus on the job—not the risk. With NOVAX®, you’re backed by precision-engineered PPE trusted by professionals worldwide.
| Sizes | A | B | C | D |
|---|---|---|---|---|
| Small, Sm | 616mm (24 ¼ in.) | 384mm (15 ⅛ in.) | 317mm (12 ½ in.) | 146mm (5 ¾ in.) |
| Regular, Rg | 673mm (26 ½ in.) | 394mm (15 ½ in.) | 311mm (12 ¼ in.) | 146mm (5 ¾ in.) |
| Large, Lg | 705mm (27 ¾ in.) | 406mm (16 in.) | 327mm (12 ⅞ in.) | 175mm (6 ⅞ in.) |
| Extra Large, Xlg | 749mm (29 ½ in.) | 445mm (17 ½ in.) | 327mm (12 ⅞ in.) | 178mm (7 in.) |
| Tolerance | ± 13mm (± ½ in.) | Min. allowable length | ±13mm (± ½ in.) | ± 6mm (± ¼ in.) |
