If an Arc Flash Hazard exists during an Arc Flash Assessment, three (3) important items are determined: Safety-related work practices to use Arc Flash Boundary PPE to use within the Arc Flash Boundary An arc flash is the result of a rapid release of energy due to an arcing fault…

Shock Protection Boundaries, According to NFPA 70E-2015, is determined by a Shock Risk Assessment. The Shock Protection Boundaries as follows: Limited Approach Boundary. Unqualified persons may not cross a limited approach boundary, except if escorted by a qualified person and they are advised of possible hazards. Restricted Approach Boundary. Only…

Qualified Persons Only Permitted to Work on Energized Equipment! But who is qualified to work on energized equipment? According to NFPA 70E-2015, QUALIFIED persons means: “One who has demonstrated skills and knowledge related to the construction and operation of electrical equipment and installations and has received safety training to identify…

Energized work permit not required, according to NFPA 70E-2015, if a qualified person is provided with and uses PPE and safe work practices under the following conditions: When testing, troubleshooting, and voltage measuring. When thermography and visual inspections are conducted as long as the restricted approach boundary (RAB) is not crossed. When…

Energized Work Required Compliance Energized work must meet NFPA 70E: Standard for Electrical Safety in the Workplace® requirements to be performed safely. Energized work is required when a person must show demonstrated skills and knowledge related to the construction and operation of electrical equipment and installations and has received safety training…

Energized Work Permitted Compliance Energized work must meet NFPA 70E: Standard for Electrical Safety in the Workplace® requirements to be performed safely. Energized work is permitted when: It can be demonstrated that de-energizing introduces additional hazards or increased risk. It can be demonstrated that the task to be performed is…

Circuit Breaker Panel Covers Provide Protection when they are properly installed and maintained. How many times have you seen circuit breaker panel covers with loose or missing screws? The covers are intended to prevent accidental contact with energized parts inside the enclosure. Loose or missing screws may allow access to those energized parts by…

Recommended Tests for your oil filled electrical power equipment: 1. Liquid dielectric screen test 2. Karl Fischer moisture analysis test 3. Dissolved Gas Analysis test Stress on the electrical power equipment needs to be monitored to ensure reliability. Regular sampling and testing of insulation oil taken from the transformer is a valuable…