Machinery Directive: the Harmonised Standards
European harmonized standards have become the technical governing rules and are the obligatory way to reduce unnecessary risks and to meet the EU directives
Machinery Directive
Use of type B Residual Current Device
There is often confusion as to whether or not type B residual current devices are required to protect lines in which variable speed drives are used to control a...
Electrical Safety and Arc Flash Mitigation
CE Marking for self made machinery
THE DOUBT: If an employer makes a machinery for use in its own factory, does he have to CE mark it?
CONSIDERATIONS:
Let’s first clarify two important con...
Machinery Directive
Industrial control panels and the door Interlock
Is an enclosure interlocking required for industrial control panels? That is a strongly debated topic and not yet fully understood: let's cle...
Electrical Safety and Arc Flash Mitigation
Protection from direct contacts: IPXXB or IP2X?
THE QUESTION
On the electrical standard, we often read that the assemblies and/or the electrical equipments in general shall provide a degree protection against...
Electrical Safety and Arc Flash Mitigation
Type G and residual current devices: what are the differences?
THE DOUBT
What are the differences between RCDs and Type G Ground Fault Protections?
CONSIDERATIONS
Among possible causes of electric shock the...
Electrical Safety and Arc Flash Mitigation
BS 7671: an introduction
BS 7671: 2008 is the National Standard for most electrical installation work undertaken in the United Kingdom.
It is also adopted by a number of other Countries...
Electrical Safety and Arc Flash Mitigation
Mandatory electrical tests for North America
Manufacturers of industrial control panels to be installed in North America often don't know which electrical tests to submit their products ...
UL and CSA Conformity
Lockout-Tagout Analysis
Hazardous energy related incidents is a generator of fatalities, in USA & Canada we talk about Lockout-Tagout and the reference USA standard is ANSI/ASSE Z244.1
Electrical Safety and Arc Flash Mitigation
What colour is the neutral conductor according to EN 60204-1?
THE DOUBT: Most of us know that Light Blue is the colour of the neutral conductor inside an industrial control panel. The doubt is the colour of the &ldquo...
Electrical Safety and Arc Flash Mitigation
Grounding of Industrial Generators in DG Systems
Currently the NEC in Article 100 defines the terms ground or grounded as connected to the earth or to some conducting body that serves in place of the earth
Electrical Safety and Arc Flash Mitigation
CE Marking of Machineries made in North America
If you are a machinery manufacturer or exporter to the European market you might have assumed that shipping products to Europe was a rather simple ope...
UL and CSA Conformity
