Britton Electric is one of the very few electrical contractors who is capable of performing this vital service: the protection against Arc Flash Hazards including analysis and equipment labelling
Implementation
- Information gathering
- Single-line diagram
- System modeling
- Short circuit and current calculations
- Current-time curve drawings
- Incidental current calculations
- Energy calculations and safe distance findings
- Protection levels and personal protective equipment selection
- Equipment labelling
- Reports and recommendations
- Integration of the analysis within the Health and Safety Program
- Training
Information Gathering
- Drawings, coordination & short-circuit analyses
- Sub-stations, distribution, panels
- Cable lengths
System Analysis
- Calculation and system simulation to determine levels of protection
CAN/CSA-Q 396.1.2 – 1989
Protection Relay Coordination Analysis
- Adjustment and calibration of protection relays
Integration into the Health and Safety Program
Compliance With:
- Quebec Electrical Code
- NFPA 70E, IEEE1584 and CSA Z462-12 standards
- C.S.S.T. requirements
Levels of Protection against Electric Arc Flashes (Z462-12 and NFPA 70E)
- Personal protective equipment
| Category |
Cal/cm2 |
Clothing |
| 0 |
1.2 |
Untreated Cotton |
| 1 |
4 |
Flame retardant (FR) shirt and FR pants |
| 2 |
8 |
Cotton underwear FR shirt and FR pants |
| 3 |
25 |
Cotton underwear FR shirt, FR pants and FR coveralls |
| 4 |
40 |
Cotton underwear FR shirt, FR pants and double layer switching coat and pants |
Correction & System Improvement
- Addition of protection devices to minimize risks of exposure
Labelling
