It’s easier to contain dust than gas, so the requirements for Class II locations (ignitable dust) are not as rigorous as those for Class I locations (ignitable gas). However, a dust-based explosion ...
All questions and answers are based on the 2017 NEC. Q. What is the Code requirement for sizing the overcurrent protection of conductors? A. Except as permitted by Sec. 240.4(A) through (G), ...
The American Concrete Institute (ACI) has released ACI 562-19 Code Requirements for Assessment, Repair, and Rehabilitation of Existing Concrete Structures and Commentary. The code was written to be ...
Building codes and local, state and federal laws can present a labyrinthine path to securing the approvals, permits and compliance with legislation required to commence construction of a new or ...
A group planning to open a child care center at a Napa church must install a costly fire sprinkler system due to an unexpected code requirement they argued shouldn’t apply. This expense, the group ...
When access control hardware is installed on doors in a new or existing building, it’s extremely important to be aware of the fire, life-safety and building codes that impact these applications.
Monitoring and maintaining a safe operating water level on any steam boiler plant is an important part of the control area operator’s job function. There are specific minimum requirements for water ...