Let's a look at some of the more substantial changes to Article 310 for the 2020 NEC, which covers general requirements for conductors.
Underwriters Laboratories is proud to announce the development of a new guidance document, UL RP 9691, Recommended Practice for Nameplates for Use in Electrical Installations.
Health and safety considerations are now an integral part of machine design operations; therefore, manufacturers, project managers, and inspectors need to be aware of critical functional safety (FS) design requirements.
Article 517 contains requirements to safeguard people and property from the hazards that electricity presents, but it also contains requirements for meeting the demand on the electrical system in a healthcare type occupancy.
A fire alarm system is identified in Section 1.3.1(1)(a) and (b): Household fire alarm systems and protected premises (local) fire alarm systems.
Article 517 of the 2020 National Electrical Code (NEC) covers requirements to the construction and installation of electrical equipment in health care facilities.
The NEC and UL Standards are the foundation of the work performed each day as an inspector or installer. Involvement in the standards development process allows participants to become a critical part of improving safety and also facilitates their professional growth.
Reputable manufacturers go to great effort to acquire certification to demonstrate the safety of their products. However, less reputable manufacturers may forego testing and certification, using counterfeit marks to give the illusion that their products are on par with competitive products, when in fact, they could be dangerous and of unknown quality.
Perhaps more than any other Code revision cycle in recent memory, there were a significant number of changes to the 2020 National Electrical Code (NEC)® that will have a dramatic effect on the residential construction environment.