What is the difference between HRC 1 and HRC 2?
HRC 1 was the lowest level with a minimum Arc Rating of 4 Cal/cm2 and increased through HRC 2 and HRC 3 up to the highest level, HRC 4 with a minimum Arc Rating of 40 meaning employees falling into this level had the highest exposure to an explosion or arc flash and must therefore where Fire Resistant Garments with the …
Is HRC 2 the same as Cat 2?
This label has traditionally indicated both the garment’s arc rating and its corresponding HRC….HRC to CAT: Look Out for NFPA 70E Labeling Change.
| NEW Term: PPE Category (CAT) | Former Term: Hazard Risk Category (HRC) | Minimum Arc Rating |
|---|---|---|
| 1 | 1 | 4.0 |
| 2 | 2 | 8.0 |
| 3 | 3 | 25.0 |
| 4 | 4 | 40.0 |
What does HRC 2 stand for?
Hazard Risk Category
The HRC 2, or Hazard Risk Category, is defined by the NFPA 70E, 2012 Edition to have an arc rating that is greater than or equal to 8 cal/cm², but less than 25 cal/cm². Be careful not to classify HRC 2 as Class 2.
What are CAT 2 pants?
For instance, any garment with a CAT rating of 2 will protect the wearer against an arc flash of 8.0 calories or less.
Is Cat 3 FR better than Cat 2?
A CAT rating (short for PPE Category rating) is a way to quickly identify the level of protection that a FR/AR garment offers in the event of an arc flash….CAT RATINGS 1-4.
| CAT rating | Minimum Arc Rating (calories/cm²) |
|---|---|
| 2 | 8.0 cal/cm² |
| 3 | 25 cal/cm² |
| 4 | 40 cal/cm² |
What does HRC 1 mean?
Hazard Risk Category Levels The chart, based on specific job tasks, ranges from HRC 1 (which is low risk and allows for 100% treated cotton), up to HRC 4 (which is high risk and requires FR clothing with a minimum arc rating of 40).
What is the HRC rating for Fr clothing?
The chart, based on specific job tasks, ranges from HRC 1 (which is low risk and allows for 100% treated cotton), up to HRC 4 (which is high risk and requires FR clothing with a minimum arc rating of 40). The HRC is used to determine the necessary arc rating of a garment worn during a given job task.
What does HRC stand for in clothing?
Hazard Level Risk Ratings Explained. The chart, based on specific job tasks, ranges from HRC 1 (which is low risk and allows for 100% treated cotton), up to HRC 4 (which is high risk and requires FR clothing with a minimum arc rating of 40). The HRC is used to determine the necessary arc rating of a garment worn during a given job task.
What is hazard risk category (HRC)?
Hazard Risk Category is the level of arc flash protection clothing you must wear to protect against a minimum level of incident energy measured in calories per centimeter sqared.