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NEN 3140:2011+A3:2019 en Norm
NEN 3140:2011+A3:2019 en
NEN 3140+A3:2019 22 — adequate lighting, and — escape routes. Precautions shall be taken to prevent injury to persons from hazards other than electrical dangers. NOTE Examples of hazards other than electrical dangers are: — mechanical hazards (e.g. due to rotating machines); — physical hazards (e.g. due to pressurized systems); — personal hazards (e.g. the risk of falli
NEN 3140:2011+A3:2019 en Norm
NEN 3140:2011+A3:2019 en
NEN 3140+A3:2019 27 NOTE The testing methods described in this standard are the preferred ones. Other testing methods are not ruled out, provided that they give results of t he same level of reliability. 5.3.2.2 Testing an electrical installation which has been made dead shall be carried out in accordance with the rules of dead working. If earthing and short -circuiting devices
NEN 3140:2011+A3:2019 en Norm
NEN 3140:2011+A3:2019 en
NEN 3140+A3:2019 31 5.101.5.8 Examples of different electrical circuits are the primary and secondary sides of a safety transformer and different circuits of switchg ear and distribution equipment. The in sulation resistance is measured with a measuring voltage of at least 250 VDC. 5.101.5.9 It shall be established through measuring that the response time for the nominal response
NEN 3140:2011+A3:2019 en Norm
NEN 3140:2011+A3:2019 en
NEN 3140+A3:2019 32 — baggage handling systems; — slaughter lines. Safety functions, suc h as emergency stop switches and collision pr otection devices, of this extensive, complex and sizeable work equipment shall be checked at least once per year. 5.102.2 Electrical work equipment shall be inspected at suitable intervals. The time between two successive inspections depends
NEN 3140:2011+A3:2019 en Norm
NEN 3140:2011+A3:2019 en
NEN 3140+A3:2019 36 NOTE The maximum deactivation time of an earth leakage circuit breaker for the nominal response current is 300 ms. The deactivation time of a selective eart h leakage circuit breaker for the nominal response current should be between 130 ms and 500 ms. 5.102.19 Examples of safety systems are: emergency stop circuits and safety switches on barriers for moving
NEN 3140:2011+A3:2019 en Norm
NEN 3140:2011+A3:2019 en
NEN 3140+A3:2019 42 6.3.1.102 Work activities in the live working zone may only be carried out by persons who have been expressly nominated for these activities or who work under uninterrupted supervision by such nominated person. 6.3.1.1 03 The necessary protection against arc flash is determined by the values of the upstream safety device(s). Table 106 — Necessary protection
NEN 3140:2011+A3:2019 en Norm
NEN 3140:2011+A3:2019 en
NEN 3140+A3:2019 49 b) semi -permanent installations, as may occur: 1) on recreational sit es; 2) in mobile homes and seasonal dwellings; c) temporary electrical installations, such as in: 1) building works; 2) demolition sites; 3) funfairs; 4) exhibitions; d) electrical business premises; e) rooms for measuremen t and testing; f) battery rooms, battery cabinets
NEN 3140:2011+A3:2019 en Norm
NEN 3140:2011+A3:2019 en
NEN 3140+A3:2019 50 — connected to an earth leakage circuit breaker with a nominal response current of a maximum of 30 mA. If this is not possible a comparable safety level shall be reached, based on a risk assessment. 6.101.3 Work activities in damp environments Work ac tivities in the live working zone in a damp environment may only be carried out dead with the exception of
NEN 3140:2011+A3:2019 en Norm
NEN 3140:2011+A3:2019 en
NEN 3140+A3:2019 51 NOTE The use of barrier structures is recommended, such as fully shrouded bus and plug connections according to the NEN -EN -IEC 61010 series. 6.102.5 To promote the correct attitude as regards safety, extr a attention shall be paid to: — deliberately earthing metering or test setups, depending on the power su pply source and the system; — using the
NEN 3140:2011+A3:2019 en Norm
NEN 3140:2011+A3:2019 en
NEN 3140+A3:2019 52 NOTE The persons carrying out the work preferably apply their own protection device to prevent re - energizing. 7 Maintenance procedures 7.1 General 7.1.1 The purpose of maintenance is to keep the electrical installation in the required con dition. A distinction is made between: — preventive maintenance: maintenance which is carried out on a routine
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Vraag & antwoord
NEN heeft een training voor Vakbekwaam Persoon. Wat zijn de leerdoelen van de cursus?
U leert op hoofdlijnen wat de Arbowet vraagt en wat het Arbobesluit aangeeft. Verder wordt u bekend met de inhoud van de norm NEN 3140. Je leert risico’s en gevaren herkennen (waaronder aanrakingsgevaar en de vlamboog) en je leert in de training wat de positie is van de Vakbekwaam Persoon ten opzichte van andere aanwijzingsniveaus binnen een organisatie. Tot slot leer je hoe je veilig werkt aan een
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Nieuwe NEN 3140 sterk doorontwikkeld
Als trainer en adviseur NEN 3140, werk ik nu alweer een paar weken met de nieuwe NEN 3140 + A2 (December 2018). Deze nieuwe NEN 3140 is sterk doorontwikkeld. Veel zaken waar je in de praktijk vaak tegen aanloopt, zijn nu scherper en concreter geformuleerd. Ook zijn technische, organisatorische en maatschappelijke ontwikkelingen meegenomen in deze nieuwe uitgave. Dat begint al bij de installatieverantwoordelijke