Class selection guide: rubber insulating gloves (Classes 00–4)
Use this page to map system voltage and work assessment to a glove class before you request a quote. Class choice belongs to your employer’s electrical-safety program—not to a catalog preference.
1. Maximum use voltages (public reference levels)
Figures below reflect commonly cited maximum use voltages associated with ASTM D120 / IEC 60903 class designations. Always verify against the current standard text and your program. These are maximum use values—not proof-test voltages.
| Class | Max. use AC | Max. use DC | Label color (common reference) |
|---|---|---|---|
| 00 | 500 V | 750 V | Tan |
| 0 | 1,000 V | 1,500 V | Red |
| 1 | 7,500 V | 11,250 V | White |
| 2 | 17,000 V | 25,500 V | Yellow |
| 3 | 26,500 V | 39,750 V | Green |
| 4 | 36,000 V | 54,000 V | Orange |
Sources for orientation: ASTM D120 class framework; industry summaries that republish the same use-voltage table; OSHA 1910.137 for electrical protective equipment in the US. Confirm current editions before procurement.
2. Typical buyer starting points (illustrative only)
| Situation (examples) | Often discussed class | Notes |
|---|---|---|
| Low-voltage facility / many 480 V tasks | 00 or 0 | Program may still require Class 0. Do not under-class. |
| EV / battery service conversations | 00 / 0 | Depends on system voltage and employer rules—not a universal rule. |
| Distribution line work at higher voltages | 1–4 | Match the highest exposure in the task plan. |
Illustrative only. PERENNINE does not certify your job hazard analysis.
3. Use voltage vs proof-test voltage
- Maximum use voltage — ceiling for work while wearing the gloves under your program.
- Proof-test / retest voltage — higher laboratory test levels used in manufacture and periodic retesting. Do not treat proof-test voltage as a field use rating.
4. What else to specify after class
- Length (commonly discussed: 11", 14", 16", 18"—confirm available SKUs).
- Cuff style (e.g. straight/beaded vs bell/beaded—availability varies by model).
- Color / Type (Type I vs Type II ozone resistance when specified).
- Size (and half sizes if offered).
- Leather protectors (mechanical protection only—not electrical insulation by themselves) and cuff clearance.
- In-service inspection and dielectric retest plan (see OSHA 1910.137 / ASTM F496 context).
5. PERENNINE product context (draft)
- Primary line: Tilsatec Pulse insulating gloves, Classes 00–4, plus leather protectors—positioned for US distributor and Philippines buyers.
- Standards language (Pulse line): dual ASTM D120 + IEC 60903 claims follow manufacturer documentation.
- Fulfillment: US stock in Houston, TX.
- HSX: cut-resistant / coated gloves are a separate mechanical line and do not replace rubber insulating gloves.
- ShuangAn: US push deferred; not featured as ASTM-claimed on this draft.
6. RFQ checklist
Send: class, length, color, cuff, size, quantity, protector need, current test dates (if reconditioning), delivery location, and any approved-brand list constraints.
7. FAQ
- Does glove color determine class? No. Class is marked on the label; color alone is not the rating.
- If a crosswalk matches a Salisbury-style part number, are the gloves “the same”? No. Attribute matching supports sourcing discussion only; protection equivalence is not implied.
- Can lab retesting replace daily inspection? No. Visual and air checks before use remain required under typical programs; periodic dielectric tests are additional.
8. Disclaimer
PERENNINE is the brand of Shanghai Jiuzhi Trading. This page is an unpublished content draft for planning. It is not safety training, not a substitute for NFPA 70E / employer procedures, and PERENNINE is a trading company and an agent for Tilsatec Pulse insulating gloves, not a manufacturer. Standards names are referenced for buyer orientation; obtain official standard texts from the issuing bodies.