IEC 61010-2-120:2016

Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 2-120: Particular safety requirements for machinery aspects of equipment

This group safety publication is primarily intended to be used as a product safety standard for the products mentioned in the scope, but shall also be used by technical committees in the preparation of their publications for products similar to those mentioned in the scope of this standard, in accordance with the principles laid down in IEC Guide 104 and lSO/lEC Guide 51.
IEC 61010-2-120:2016 specifies particular safety requirements for the following types of electrical equipment and their accessories, wherever they are intended to be used, which fall under a), b), or c) below and present HAZARDS from the power driven moving parts according to one or more of the items 1) to 5) used by the equipment for a specific application.
1) An assembly, fitted with or intended to be fitted with a drive system other than directly applied human or animal effort, consisting of linked parts or components, at least one of which moves, and which are joined together for a specific application.
2) An assembly referred to in item 1), missing only the components to connect it on site or to sources of energy and motion.
3) An assembly referred to in items 1) and 2), ready to be installed and able to function as it stands only if mounted on a means of transport, or installed in a building or a structure.
4) Assemblies referred to in items 1), 2) and 3) or partly completed assemblies which, in order to achieve the same end, are arranged and controlled so that they function as an integral whole. A partly completed assembly is equipment which cannot perform a specific application by itself. A partly completed assembly is only intended to be incorporated into, or assembled with, other equipment, thereby forming equipment to which this standard applies.
5) An assembly of linked parts or components, at least one of which moves and which are joined together, intended for lifting loads and whose only power source is directly applied human effort.
a) Electrical test and measurement equipment
This is equipment which by electromagnetic means tests, measures, indicates or records one or more electrical or physical quantities, also non-measuring equipment such as signal generators, measurement standards, power supplies for laboratory use,
transducers, transmitters, etc.
NOTE 1 This includes bench-top power supplies intended to aid a testing or measuring operation on another piece of equipment. Power supplies intended to power equipment are within the scope of IEC 61558 (see 1.1.2 h)).
This standard also applies to test equipment integrated into manufacturing processes and intended for testing manufactured devices.
NOTE 2 Manufacturing test equipment is likely to be installed adjacent to and interconnected with industrial machinery in this application.
b) Electrical industrial process-control equipment
This is equipment which controls one or more output quantities to specific values, with each value determined by manual setting, by local or remote programming, or by one or more input variables.
c) Electrical laboratory equipment
This is equipment which measures, indicates, monitors, inspects or analyses materials, or is used to prepare materials, and includes in vitro diagnostic (IVD) equipment.
This equipment may also be used in areas other than laboratories; examples include selftest IVD equipment to be used in the home and inspection equipment to be used to check people or material during transportation.
If all or part of the equipment falls within the scope of one or more other part 2 standards of IEC 61010 as well as within the scope of this standard, it will also need to meet the requirements of those other Part 2 standards.

Exigences de sécurité pour appareils électriques de mesurage, de régulation et de laboratoire - Partie 2-120: Exigences de sécurité particulières pour les aspects des appareils relatifs aux machines

La présente publication groupée de sécurité est avant tout destinée à être utilisée en tant que norme en matière de sécurité des produits pour les produits cités dans le domaine d'application, mais elle doit également être utilisée par les comités d'études dans le cadre de l'élaboration de leurs publications pour des produits similaires à ceux cités dans le domaine d'application de la présente norme, conformément aux principes établis dans le Guide IEC
104 et le Guide ISO/IEC 51.
L'IEC 61010-2-120:2016 spécifie les exigences de sécurité particulières pour les types suivants d'appareils électriques et leurs accessoires, quelles que soient les conditions dans lesquelles ils sont destinés à être utilisés, qui relèvent de a), b) ou c) ci-dessous et qui présentent des DANGERS provenant des parties mobiles électriques selon un ou plusieurs des points 1) à 5) utilisés par les appareils pour une application spécifique.
1) Ensemble, équipé ou destiné à être équipé d'un système d'entraînement autre qu'un effort humain ou animal appliqué directement, constitué de parties ou de composants reliés, dont au moins une partie ou un composant est mobile, et qui sont assemblés pour une application spécifique.
2) Ensemble auquel il est fait référence au point 1), et qui ne comporte pas les composants qui permettent de le raccorder sur site ou aux sources d'énergie et de déplacement.
3) Ensemble auquel il est fait référence aux points 1) et 2), prêt à être installé et capable de fonctionner en l'état uniquement s'il est monté sur un moyen de transport, ou installé dans un bâtiment ou une structure.
4) Ensembles auxquels il est fait référence aux points 1), 2) et 3) ou ensembles complétés partiellement qui, afin d'atteindre le même objectif, sont disposés et contrôlés de sorte qu'ils fonctionnent comme un ensemble intégré. Un ensemble complété partiellement est un appareil qui ne peut exécuter lui-même une application spécifique. Un ensemble complété partiellement est destiné uniquement à être intégré ou assemblé avec d'autres appareils, constituant de ce fait un appareil auquel la présente norme s'applique.
5) Ensemble de parties ou de composants reliés, dont au moins une partie ou un composant est mobile, et qui sont assemblés, destinés à soulever des charges, et dont un effort humain appliqué directement constitue la seule source d'énergie.
a) Appareils électriques d'essai et de mesurage
Il s'agit d'appareils qui, par des moyens d'ordre électromagnétique, mesurent, indiquent ou enregistrent une ou plusieurs grandeurs électriques ou physiques, ainsi que des appareils non-mesureurs tels que générateurs de signaux, étalons de mesure, alimentations de puissance de laboratoire, transducteurs, transmetteurs, etc.
NOTE 1 Cela comprend les alimentations de puissance de table prévues pour permettre des opérations de test ou de mesure sur une autre partie d'appareil. Les alimentations de puissance destinées à alimenter les appareils de puissance sont dans le champ d'application de la CEI 61558 (voir 1.1.2 h)).
Cette norme s'applique aussi aux équipements de test intégrés dans les lignes de fabrication et prévus pour tester les appareils en cours de fabrication.
NOTE 2 De tels équipements de tests peuvent être attenants et connectés à des machines industrielles dans cette application.
b) Appareils électriques de contrôle de procédés industriels
Il s'agit d'appareils qui règlent une ou plusieurs grandeurs de sortie selon des valeurs spécifiques, chaque valeur étant déterminée par réglage manuel, par programmation locale ou à distance, ou par une ou plusieurs variables d'entrée.
c) Appareils électriques de laboratoire
Il s'agit d'appareils qui mesurent, indiquent, surveillent, inspectent ou analysent des matériaux, ou qui servent à préparer des matériaux, y compris les appareils de diagnostic in vitro (DIV).
Ces appareils peuvent également être utilisés ailleurs que dans des laboratoires; par exemple les appareils DIV d’autotest personne

General Information

• Status: Withdrawn
• Publication Date: 19-Oct-2016
• Withdrawal Date: 29-Apr-2020
• ICS: 19.080 - Electrical and electronic testing
• Technical Committee: TC 66 - Safety of measuring, control and laboratory equipment
• Drafting Committee: WG 8 - TC 66/WG 8
• Current Stage: WPUB - Publication withdrawn
• Start Date: 30-Apr-2020
• Completion Date: 30-Apr-2020

Standards Content (Sample)

IEC 61010-2-120


®


Edition 1.0 2016-10



INTERNATIONAL



STANDARD



NORME
INTERNATIONALE
colour
inside
GROUP SAFETY PUBLICATION
PUBLICATION GROUPÉE DE SÉCURITÉ
Safety requirements for electrical equipment for measurement, control, and
laboratory use –
Part 2-120: Particular safety requirements for machinery aspects of equipment

Exigences de sécurité pour appareils électriques de mesurage, de régulation et
de laboratoire –
Partie 2-120: Exigences de sécurité particulières pour les aspects des appareils
relatifs aux machines


IEC 61010-2-120:2016-10(en-fr)

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IEC 61010-2-120



®



Edition 1.0 2016-10







INTERNATIONAL





STANDARD







NORME



INTERNATIONALE
colour

inside



GROUP SAFETY PUBLICATION

PUBLICATION GROUPÉE DE SÉCURITÉ






Safety requirements for electrical equipment for measurement, control, and

laboratory use –

Part 2-120: Particular safety requirements for machinery aspects of equipment




Exigences de sécurité pour appareils électriques de mesurage, de régulation et

de laboratoire –


Partie 2-120: Exigences de sécurité particulières pour les aspects des appareils

relatifs aux machines













INTERNATIONAL

ELECTROTECHNICAL

COMMISSION


COMMISSION

ELECTROTECHNIQUE


INTERNATIONALE




ICS 19.080 ISBN 978-2-8322-3643-7



Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale

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– 2 – IEC 61010-2-120:2016 © IEC 2016


CONTENTS



FOREWORD . 3

INTRODUCTION . 5

1 Scope and object . 6


2 Normative references . 7

3 Terms and definitions . 8

4 Tests . 9


5 Marking and documentation . 9
6 Protection against electric shock . 11
7 Protection against mechanical HAZARDS . 11
8 Resistance to mechanical stresses . 14
9 Protection against the spread of fire . 15
10 Equipment temperature limits and resistance to heat . 15
11 Protection against HAZARDS from fluids . 15
12 Protection against radiation, including laser sources, against sonic and ultrasonic
pressure and vibrations . 15
13 Protection against liberated gases and substances, explosion and implosion . 17
14 Components and subassemblies . 18
15 Protection by interlocks . 19
16 HAZARDS resulting from application . 19
17 RISK assessment . 20
101 Requirements for CONTROL SYSTEMs and devices related to safety . 20
102 Operating conditions of equipment . 25
103 Protection against HAZARDS during maintenance and service . 26
Annex J (informative) RISK assessment . 29
Annex L (informative) Index of defined terms . 31
Bibliography . 32

Figure J.101 − RISK reduction using functional safety standards . 29


Table 101 – Lamp or lamp systems considered photobiologically safe . 16
Table 102 – Lamp or lamp systems considered photobiologically safe under certain
conditions . 16
Table J.101 – RISK ranking matrix . 30

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IEC 61010-2-120:2016 © IEC 2016 – 3 –


INTERNATIONAL ELECTROTECHNICAL COMMISSION


______________




SAFETY REQUIREMENTS FOR ELECTRICAL EQUIPMENT FOR

MEASUREMENT, CONTROL, AND LABORATORY USE –



Part 2-120: Particular safety requirements

for machinery aspects of equipment



FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
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Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested
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with the International Organization for Standardization (ISO) in accordance with conditions determined by
agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
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8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of

patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
This part of International Standard IEC 61010 has been prepared by IEC technical committee
66: Safety of measuring, control and laboratory equipment.
It has the status of a group safety publication in accordance with IEC Guide 104.
The text of this standard is based on the following documents:
FDIS Report on voting
66/601/FDIS 66/606/RVD

Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.

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A list of all parts of the IEC 61010 series, under the general title: Safety requirements for

electrical equipment for measurement, control, and laboratory use, may be found on the IEC

website.


This Part 2-120 is intended to be used in conjunction with IEC 61010-1. It was established on

the basis of the third edition (2010).


This Part 2-120 supplements or modifies the corresponding clauses in IEC 61010-1, so as to

convert that publication into the IEC standard: Particular safety requirements for machinery

aspects of equipment.


Where a particular subclause of Part 1 is not mentioned in this Part 2, that subclause applies
as far as is reasonable. Where this standard states "addition", "modification" or
"replacement", the relevant text in Part 1 is to be adapted accordingly.
In this standard,
a) the following print types are used:
– requirements and definitions: in roman type;
– NOTES: in smaller roman type;
– conformity and tests: in italic type;
– terms used throughout this standard which have been defined in Clause 3: SMALL
ROMAN CAPITALS.
b) subclauses, figures, tables and notes which are additional to those in Part 1 are numbered
starting from 101 and additional list items are numbered from aa). Additional annexes are
numbered AA and BB.
The committee has decided that the contents of this publication will remain unchanged until
the stability date indicated on the IEC website under "http://webstore.iec.ch" in the data
related to the specific publication. At this date, the publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.

IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates

that it contains colours which are considered to be useful for the correct
understanding of its contents. Users should therefore print this document using a
colour printer.

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IEC 61010-2-120:2016 © IEC 2016 – 5 –


INTRODUCTION


IEC 61010-1 specifies the safety requirements that are generally applicable to all equipment

within its scope. For certain types of equipment, the requirements of IEC 61010-1 and its

amendments will be supplemented or modified by the special requirements of one, or more

than one, particular Part 2s of the standard which are to be read in conjunction with the Part 1

requirements.


This Part 2-120 specifies the safety requirements for equipment that may present HAZARDS

from the power driven moving parts incorporated in the equipment.

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SAFETY REQUIREMENTS FOR ELECTRICAL EQUIPMENT FOR

MEASUREMENT, CONTROL, AND LABORATORY USE –



Part 2-120: Particular safety requirements

for machinery aspects of equipment








1 Scope and object

This clause of Part 1 is applicable except as follows:
1.1.1 Equipment included in scope
Addition:
Add the following new paragraph before the first paragraph:
This group safety publication is primarily intended to be used as a product safety standard for
the products mentioned in the scope, but shall also be used by technical committees in the
preparation of their publications for products similar to those mentioned in the scope of this
standard, in accordance with the principles laid down in IEC Guide 104 and
lSO/lEC Guide 51.
Replacement:
Replace the first paragraph with the following:
This Part 2 of IEC 61010 specifies particular safety requirements for the following types of
electrical equipment and their accessories, wherever they are intended to be used, which fall
under a), b), or c) below and present HAZARDS from the power driven moving parts according
to one or more of the items 1) to 5) used by the equipment for a specific application.
1) An assembly, fitted with or intended to be fitted with a drive system other than directly
applied human or animal effort, consisting of linked parts or components, at least one of
which moves, and which are joined together for a specific application.
2) An assembly referred to in item 1), missing only the components to connect it on site or to
sources of energy and motion.
3) An assembly referred to in items 1) and 2), ready to be installed and able to function as it

stands only if mounted on a means of transport, or installed in a building or a structure.
4) Assemblies referred to in items 1), 2) and 3) or partly completed assemblies which, in
order to achieve the same end, are arranged and controlled so that they function as an
integral whole.
A partly completed assembly is equipment which cannot perform a specific application by
itself. A partly completed assembly is only intended to be incorporated into, or assembled
with, other equipment, thereby forming equipment to which this standard applies.
5) An assembly of linked parts or components, at least one of which moves and which are
joined together, intended for lifting loads and whose only power source is directly applied
human effort.
Addition:
Add the following paragraph at the end of the subclause:

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IEC 61010-2-120:2016 © IEC 2016 – 7 –


If all or part of the equipment falls within the scope of one or more other part 2 standards of

IEC 61010 as well as within the scope of this standard, it will also need to meet the

requirements of those other Part 2 standards.


1.2.1 Aspects included in scope


Replacement:


Replace the first sentence with:


The purpose of the requirements of this standard is to ensure that HAZARDS to the OPERATOR,

SERVICE PERSONNEL and the surrounding area are reduced to a tolerable level.
Addition:
Add the following new paragraphs before the note:
Requirements for CONTROL SYSTEMS and devices related to safety are specified in Clause 101.
Protection against HAZARDS during specific operating conditions of equipment are specified in
Clause 102.
Protection against HAZARDS during maintenance and service are specified in Clause 103.
2 Normative references
This clause of Part 1 is applicable except as follows:
Addition:
Add the following new normative references:
IEC 60947-5-5, Low-voltage switchgear and controlgear – Part 5-5: Control circuit devices
and switching elements – Electrical emergency stop device with mechanical latching function
IEC 62061, Safety of machinery – Functional safety of safety-related electrical, electronic and
programmable electronic control systems
IEC 62471, Photobiological safety of lamps and lamp systems

IEC TR 62471-2, Photobiological safety of lamps and lamp systems – Part 2: Guidance on
manufacturing requirements relating to non-laser optical radiation safety
ISO 5349-1, Mechanical vibration – Measurement and evaluation of human exposure to hand-
transmitted vibration – Part 1: General requirements
ISO 7010, Graphical symbols – Safety colours and safety signs – Registered safety signs
ISO 12100, Safety of machinery – General principles for design – Risk assessment and risk
reduction
ISO 13849-1, Safety of machinery – Safety-related parts of control systems – Part 1: General
principles for design
ISO 13850, Safety of machinery – Emergency stop function – Principles for design

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ISO 13857, Safety of machinery – Safety distances to prevent hazard zones being reached by

upper and lower limbs



3 Terms and definitions


This clause of Part 1 is applicable except as follows:


3.1 Equipment and states of equipment

Addition:


Add the following new terms and definitions:
3.1.101
TRANSPORTABLE EQUIPMENT
equipment that is intended to be moved from one place to another whether or not connected
to a supply and without an appreciable restriction of range
Note 1 to entry: An example for TRANSPORTABLE EQUIPMENT is equipment considered as MOBILE EQUIPMENT and
PORTABLE EQUIPMENT.
3.1.102
MOBILE EQUIPMENT
TRANSPORTABLE EQUIPMENT intended to be moved, or capable of moving, from one location to
another while supported by its own wheels or equivalent means
3.1.103
CONTROL POSITION
OPERATING POSITION
position where the operator will be located when using the equipment controls
Note 1 to entry: There may be one or more CONTROL POSITIONS. The CONTROL POSITION is outside of the
equipment.
Note 2 to entry: There may be one or more OPERATING POSITIONS. The OPERATING POSITION is an integral part of
the equipment.
3.1.104
CONTROL SYSTEM
all the parts of the equipment forming a system to provide, for example, operational control,
monitoring, interlocking, communications, protection or safety-related control functions
Note 1 to entry: These parts include electrical, electronic and programmable electronic parts and devices as well

as the mechanical parts.
Note 2 to entry: Safety-related control functions can be performed by a CONTROL SYSTEM that is either integral to
or independent of those parts of a CONTROL SYSTEM that performs non-safety-related functions.
3.2 Parts and accessories
3.2.5
PROTECTIVE BARRIER
Replacement:
Replace the definition of 3.2.5 with the following new definition:
part of equipment specifically used to provide protection from a HAZARD by means of a
physical barrier

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IEC 61010-2-120:2016 © IEC 2016 – 9 –


Addition:


Add the following new terms and definitions:


3.2.101

CHAMBER

part of the equipment which contains the material to be processed


Note 1 to entry: Vessels, tube holders and similar containing material are not considered CHAMBER.


3.5 Safety terms

Addition:
Add the following new terms and definitions:
3.5.101
SERVICE PERSONNEL
persons having appropriate technical training and experience necessary to be aware of
HAZARDS to which they are exposed when performing a task and of measures to minimize the
danger to themselves or other persons
3.5.102
OPERATING CYCLE
complete set of stages of a process that is carried out in a specified sequence
4 Tests
This clause of Part 1 is applicable.
5 Marking and documentation
This clause of Part 1 is applicable except as follows:
5.1.3 MAINS supply
Table 1 – Symbols
Addition:

Add the following new symbol:
Number Symbol Reference Description
Warning;
101 Symbol ISO 7010-W010 Low temperature/freezing
conditions


5.1.5.1 General
Replacement:
Replace the second paragraph with the following:

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Push-buttons and actuators of emergency stop devices shall comply with 14.101. Indicators

used only to indicate a warning of danger or the need for urgent action shall be coloured red

and coded as specified in IEC 60073. If the meaning of colour relates to the safety of persons

or the environment, supplementary means of coding shall be provided (see IEC 60073).


5.2 Warning markings


Replacement:


Replace the first paragraph with the following:


Warning markings as required by this standard shall meet the following requirements.
5.4 Documentation
5.4.1 General
Replacement:
Replace item h) with the following:
h) instructions for moving, lifting and carrying (see 7.4.101 and 7.5).
5.4.3 Equipment installation
Addition:
Add the following new items after item g):
aa) instructions relating to installation and assembly for reducing vibration generated by
equipment;
bb) where equipment is likely to emit non-ionizing radiation which may cause harm to
persons, in particular persons with active or non-active implantable medical devices,
information concerning the radiation emitted for the operator and exposed persons;
cc) if the equipment is intended to be used in a hazardous environment, presenting risks to
the health and safety of the operator, instructions for protective measures.
5.4.4 Equipment operation
Addition:
Add the following new items after item j):

aa) details of methods of reducing the RISKS of pain, numbness and frostbite from easily
ACCESSIBLE, cold, touchable surfaces in 10.101.
NOTE Examples of methods of reducing RISKS are given in ISO 13732-3:2005, Annex E.
bb) information to protect the OPERATOR and other persons if in NORMAL USE the hand-
transmitted frequency-weighted r.m.s. acceleration generated by the equipment exceeds
the level of 12.101;
cc) the operating method to be followed in case of emergency, malfunction or breakdown; if a
blockage of moving parts is likely to occur, the operating method to be followed so as to
enable the equipment to be safely unblocked.
5.4.5 Equipment maintenance and service
Addition:
Add a new note before the conformity statement:

---------------------- Page: 12 ----------------------
IEC 61010-2-120:2016 © IEC 2016 – 11 –


NOTE 101 For further information, see Clause 103.


6 Protection against electric shock


This clause of Part 1 is applicable.



7 Protection against mechanical HAZARDS


This clause of Part 1 is applicable except as follows:


7.3.1 General
Replacement:
Replace the second and third sentences of the first paragraphwith the following:
The conditions specified in 7.3.4, 7.3.5 and 7.3.101 are considered to represent a tolerable
level. If these conditions are not met, a RISK assessment shall be carried out according to
7.3.3 or Clause 17.
Replace the conformity statement with the following:
Conformity is checked as specified in 7.3.2, 7.3.3, 7.3.4, 7.3.5, 7.3.101 and Clause 17, as
applicable.
7.3.3 Risk assessment for mechanical HAZARDS to body parts
Replacement:
Replace, in Table 12, footnote d, item “B” with:
B = Moderate measures; emergency switches (see ISO 13850), PROTECTIVE BARRIERS or
covers removable only with a TOOL, distances (see ISO 13857), or separations (see
ISO 13854 or EN 349).
Addition:
Add the following new subclauses:

7.3.101 Limitation of HAZARDS from moving parts
7.3.101.1 General
Protective measures shall be designed and incorporated into the equipment so that:
1) moving parts that could cause a HAZARD cannot start to move while they are in the reach
of an OPERATOR or bystander (see ISO 13857 for safety distances); and
2) once the equipment has started to operate, the moving parts that could cause a HAZARD
cannot be reached by the OPERATOR or bystander; and
3) during maintenance or set-up ope
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