Electrical Construction & Maintenance6 天
EC&M Asks —Are Annexes a Requirement of NFPA Standards?
SME Ron Widup explains the purpose of annexes, how NETA testing standards are connected to NFPA 70E, and what this means for ...
Firehouse2 个月
National Fire Protection Association
The mission of the international nonprofit NFPA, established in 1896, is to reduce the worldwide burden of fire and other hazards on the quality of life by providing and advocating consensus ...