Photovoltaic power systems are proliferating and are going to be a major player in our nation’s energy mix. The inspector community must be able and willing to inspect these systems as the last line of defense in ensuring the safety of the public.
Those of us in the inspection community and those associated with the inspection community, including inspectors at all levels, chief inspectors, building officials, and administrators responsible for funding, need to work diligently to increase the competency and quality of our inspection process and our inspection force.
High voltage visible isolation has been required in Canada since the fifties. Visible isolation is the ability to see the blades of a switch or circuit breaker to determine if the device supplying a high voltage circuit is in the open or closed position.
The Code is a comprehensive document. Sometimes it can seem quite daunting to quickly find the information you need. Part 4 provides a guide to help users find their way through this critical document.
UL Certifies/Lists energy storage systems for use in accordance with new Article 706 in the 2017 NEC. UL Certifies/Lists these systems under the product category Energy Storage Systems and Equipment (FTBW).
Electrical safety needs to be a year-round priority. Don’t dismiss or underestimate your role in preventing electrical accidents. If we all work together maybe someday, we can reach zero incidents.
Section 8 of the CE Code is absolutely critical, as the accurate load calculations constitute the basis for selection of the appropriate conductors’ sizes in services, feeders and branch circuits
Does UL List these desks? Most of these desks/tables also have receptacle strips for power; what Listed products are available for this purpose?