Learn about Electrical safety & Best Practices.
Arc Flash & Breaker Coordination
Safety with Electricity
Driven by recent code updates, electrical safety and personnel training has become essential for building owners, managers, and service personnel. The NEC (NFPA 70) requires electrical equipment to go through examination, adjustment or service while energized to be field marked with Arc Flash Hazard Warning labels to notify service personnel of the potential Arc Flash hazards they can expect to encounter. The code requires each label to include nominal system voltage, Arc Flash boundary, and one of the following: available incident energy and corresponding working distance or Arc Flash PPE category, minimum Arc rating of clothing, or site-specific PPE levels.
Proper Breaker Coordination
Proper breaker coordination plays a vital role in site reliability. A fault must be isolated as close to its source as possible, so it does not cause an upstream cascade tripping of breakers. With the use of adjustable electronic trip breakers, Professional Engineers, Inc. can mitigate upstream cascade tripping through power system modeling and time trip curve analysis.
On-Site Safety Program
Electrical safety is not complete without a published Electrical Safety Program on-site and periodic safety training. Professional Engineers, Inc. has prepared the Electrical Safety Program and designed Arc Flash Warning Labels for the top five Mission Critical data centers, and one of the top telecommunications firms in the USA. We can work directly with your safety personnel and service vendors to customize a safety program that meets your needs and is NFPA 70E compliant.
We prepare power studies for the following:
Electrical safety is not complete without a published Electrical Safety Program on site and includes periodic safety training.
- Risk Management
- Electrical Safety
- Electrical Reliability
- Power Flow Analysis
- Fault Current Analysis
- Breaker Coordination
- Ground Fault Coordination
- Arc Flash Hazard Analysis
- Arc Flash Warning Labels