UL & NFPA Standards

USA UL and NFPA Standards for machineries

Industrial Machinery NFPA 79
On 8th January 2021 the new edition of Industrial Machinery NFPA 79, the electrical standard for industrial machineries in the USA, was published. Tha...
UL 891: Switchboards, Tristandard
UL 891 is a Tristandard. That means it is exactly the same content in the following three norms: CSA Group: CSA C22.2 No. 244-05. Underwriters Laboratories ...
NFPA 70: National Electrical Code
NFPA 70 or NATIONAL ELECTRICAL CODE is the reference standard for electrical installations in premises and buildings in USA.  Being an Installation Code, ...
UL 508A: Industrial Control Panels
UL 508A is the technical standard for Industrial Control Panels in the USA. Starting from the basics of electrical safety, stated by the NEC and looking at...
IEEE 1584: Guide for Performing Arc Flash Hazard Calculations
IEEE 1584 is a guide that aims to provide models and analytic processes for calculating the caracteristics of an electric arc flash. It is essential to know th...

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