Are there any UL Listed direct burial brass acorn clamps for use with rebar on a UFER ground? Will there be a galvanic issue with the dissimilar metals?
Quite often we look at the requirements of the CE Code without any concerns, as clarity of the literal text (and of the intent behind this text) appears to be obvious. Rule 8-304 of the CE Code should be one such requirement.
Section 8 is a general section of the CE Code. It provides the information you need to select the conductor ampacities and equipment ratings for consumer’s services, feeders, and branch circuits
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.