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eLibrary > IEC 62841-4-8 Ed. 1.0 en:2025 EXV Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery - Safety - Part 4-8: Particular requirements for shredders/chippers >

IEC 62841-4-8 Ed. 1.0 en:2025 EXV Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery - Safety - Part 4-8: Particular requirements for shredders/chippers, 2025

Extended version (English only) [Go to Page]
CONTENTS
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 General requirements
5 General conditions for the tests
6 Radiation, toxicity and similar hazards
7 Classification
8 Marking and instructions
9 Protection against access to live parts
10 Starting
11 Input and current
12 Heating
13 Resistance to heat and fire
14 Moisture resistance
15 Resistance to rusting
16 Overload protection of transformers and associated circuits
17 Endurance
18 Abnormal operation
19 Mechanical hazards
20 Mechanical strength
21 Construction
22 Internal wiring
23 Components
24 Supply connection and external flexible cords
25 Terminals for external conductors
26 Provision for earthing
27 Screws and connections
28 Creepage distances, clearances and distances through insulation
Annexes [Go to Page]
Annex A (normative) Measurement of creepage distances and clearances
Annex B (normative) Motors not isolated from the supply mains and having basic insulation not designed for the rated voltage of the tool
Annex C (normative) Leakage current
Annex D (normative) Electric strength
Annex E (informative) Methods of applying ISO 13849-1 to power tools
Annex F (informative) Rules for routine tests
Annex G Void
Annex H (normative) Determination of a low-power circuit
Annex I (informative) Measurement of noise and vibration emissions
Annex J Void
Annex K (normative) Battery tools and battery packs
Annex L (normative) Battery tools and battery packs provided with mains connection or non-isolated sources
Annex AA (normative) Product safety labels which may be used on machines
Annex BB (informative) Methods of combining round, square and slot shapes ≤ 50 mm complying with safety distance ≥ 200 mm
Annex CC (normative) Thrown objects test enclosure
Annex DD (normative) Target panels – Specification for fibreboard
Annex EE (informative) Example of a material and construction fulfilling the requirements for an artificial surface
Annex FF (informative) Determination of applicable requirements for machines covered by Annex K
Bibliography
Figures [Go to Page]
Figure 101 – Examples of a shredder/chipper
Figure 102 – Distance from feed safety opening to shredding means
Figure 103 – Arm probe for testing tortuous path guarding of shredding means through the feed intake opening
Figure 104 – Examples of discharge chute distance requirements
Figure 105 – Wood dowel length
Figure 106 – Ceramic prism test piece
Figure 107 – Wood dowel insertion points
Figure 108 – Test assembly for accessibility of attachment plug blades
Figure 1 – Test fingernail
Figure 2 – Flexing test apparatus
Figure 3 – Overload test of a class II armature
Figure A.1 – Clearance gap for parallel sided and V-shaped groove
Figure A.2 – Clearance gap for rib and uncemented joint with groove
Figure A.3 – Clearance gap for uncemented joint and diverging-sided groove
Figure A.4 – Clearance gap between wall and screw
Figure B.1 – Simulation of fault conditions
Figure C.1 – Diagram for leakage current measurement for single-phase connection and three-phase tools suitable for single-phase supply
Figure C.2 – Diagram for leakage current measurement for three-phase connection
Figure C.3 – Circuit of the leakage current meter
Figure H.1 – Example of an electronic circuit with low-power points
Figure I.101 – Microphone positions on the hemisphere (see Table I.101)
Figure I.102 – Microphone position for measurement of emission sound pressure level and location of machine with respect to the microphone co-ordinate system
Figure I.1 – Test bench
Figure I.2 – Positions of a hand-held power tool and microphones for the hemispherical / cylindrical measurement surface
Figure I.3 – Microphone positions on a cubic measurement surface
Figure I.4 – Directions of vibration measurement
Figure K.1 – Measurement of clearances
Figure L.1 – Measurement of clearances
Figure AA.1 – Product safety labels illustrating "WARNING – Rotating blades. Keep hands out of openings while machine is running"
Figure AA.2 – Product safety labels illustrating "WARNING – Keep by standers away"
Figure AA.3 – Product safety label illustrating – "WARNING – Beware of thrown objects"
Figure AA.4 – Product safety labels illustrating –"WARNING – Remove plug from mains before maintenance or if the cord is damaged"
Figure AA.5 – Product safety labels illustrating – "Wear eye protection"
Figure AA.6 – Product safety label illustrating – "Wear ear protection"
Figure AA.7 – Optional product safety label illustrating – "Wear eye and ear protection"
Figure AA.8 – Product safety label illustrating "WARNING – Wait until all machine components have completely stopped before touching them"
Figure AA.9 – Product safety labels illustrating –"WARNING – Disconnect battery before maintenance"
Figure BB.1 – Example 1 – Opening sizes ≤ 45 mm
Figure BB.2 – Example 2 – Opening sizes ≤ 45 mm
Figure BB.3 – Example 3 – Opening sizes ≤ 45 mm
Figure BB.4 – Example 1 – Opening sizes > 45 mm and ≤ 50 mm
Figure BB.5 – Example 2 – Opening sizes > 45 mm and ≤ 50 mm
Figure BB.6 – Example 3 – Opening sizes > 45 mm and ≤ 50 mm
Figure BB.7 – Example 4 – Opening sizes > 45 mm and ≤ 50 mm
Figure BB.8 – Example – Opening sizes ≤ 50 mm, constriction ≤ 26 mm
Figure CC.1 – Test enclosure, construction detail
Figure CC.2 – Test surface detail
Figure CC.3 – Example of base, nail plan
Figure CC.4 – Thrown objects test enclosure – General layout
Figure CC.5 – Intake target panel placement
Figure DD.1 – Test fixture for fibreboard penetration test
Figure EE.1 – Sketch of the measurement surface covered with an artificial surface
Figure FF.1 – Flowchart depicting the determination of applicable requirements for machines covered by Annex K
Figure FF.2 – Diagram depicting how Annex K in a Part 2, 3 or 4 overrides requirements in the main body of the Part 2, 3 or 4, Annex K in Part 1 and the main body of Part 1
Figure FF.3 – Diagram depicting how the main body in a Part 2, 3 or 4 overrides requirements in Annex K in Part 1 and the main body of Part 1
Figure FF.4 – Diagram depicting how Annex K in Part 1 overrides requirements in the main body of Part 1
Figure FF.5 – Diagram depicting no overriding of requirementsin the main body of Part 1
Tables [Go to Page]
Table 1 – Maximum normal temperature rises (1 of 2)
Table 2 – Maximum outside surface temperature rises
Table 3 – Maximum winding temperature
Table 4 – Required performance levels
Table 5 – Impact energies
Table 6 – Test torques
Table 7 – Switch trigger force
Table 8 – Minimum cross-sectional area and AWG sizes of supply cords
Table 9 – Pull and torque value
Table 10 – Quick-connect terminals for earthing conductors
Table 11 – Torque for testing screws and nuts
Table 12 – Minimum creepage distances and clearances
Table 101 – Safety distances of shredding means to feed intake openings
Table D.1 – Test voltages
Table F.1 – Test voltages for the electric strength test
Table I.101 – Co-ordinates of microphone positions
Table I.102 – Absorption coefficients
Table K.301 – Pull and torque value
Table K.1 – Minimum creepage distances and clearances between parts of different potential
Table K.2 – Minimum total sum of creepage distances and clearances to accessible surfaces
Table L.1 – Minimum creepage distances and clearances between parts of opposite polarity
International Standard (Bilingual) [Go to Page]
English [Go to Page]
CONTENTS
FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 General requirements
5 General conditions for the tests
6 Radiation, toxicity and similar hazards
7 Classification
8 Marking and instructions
9 Protection against access to live parts
10 Starting
11 Input and current
12 Heating
13 Resistance to heat and fire
14 Moisture resistance
15 Resistance to rusting
16 Overload protection of transformers and associated circuits
17 Endurance
18 Abnormal operation
19 Mechanical hazards
20 Mechanical strength
21 Construction
22 Internal wiring
23 Components
24 Supply connection and external flexible cords
25 Terminals for external conductors
26 Provision for earthing
27 Screws and connections
28 Creepage distances, clearances and distances through insulation
Annexes [Go to Page]
Annex I (informative) Measurement of noise and vibration emissions
Annex K (normative) Battery tools and battery packs
Annex L (normative) Battery tools and battery packs provided with mains connection or non-isolated sources
Annex AA (normative) Product safety labels which may be used on machines
Annex BB (informative) Methods of combining round, square and slot shapes ≤ 50 mm complying with safety distance ≥ 200 mm
Annex CC (normative) Thrown objects test enclosure
Annex DD (normative) Target panels – Specification for fibreboard
Annex EE (informative) Example of a material and construction fulfilling the requirements for an artificial surface
Annex FF (informative) Determination of applicable requirements for machines covered by Annex K
Bibliography
Figures [Go to Page]
Figure 101 – Examples of a shredder/chipper
Figure 102 – Distance from feed safety opening to shredding means
Figure 103 – Arm probe for testing tortuous path guarding of shredding means through the feed intake opening
Figure 104 – Examples of discharge chute distance requirements
Figure 105 – Wood dowel length
Figure 106 – Ceramic prism test piece
Figure 107 – Wood dowel insertion points
Figure 108 – Test assembly for accessibility of attachment plug blades
Figure I.101 – Microphone positions on the hemisphere (see Table I.101)
Figure I.102 – Microphone position for measurement of emission sound pressure level and location of machine with respect to the microphone co-ordinate system
Figure AA.1 – Product safety labels illustrating "WARNING – Rotating blades. Keep hands out of openings while machine is running"
Figure AA.2 – Product safety labels illustrating "WARNING – Keep by standers away"
Figure AA.3 – Product safety label illustrating – "WARNING – Beware of thrown objects"
Figure AA.4 – Product safety labels illustrating –"WARNING – Remove plug from mains before maintenance or if the cord is damaged"
Figure AA.5 – Product safety labels illustrating – "Wear eye protection"
Figure AA.6 – Product safety label illustrating – "Wear ear protection"
Figure AA.7 – Optional product safety label illustrating – "Wear eye and ear protection"
Figure AA.8 – Product safety label illustrating "WARNING – Wait until all machine components have completely stopped before touching them"
Figure AA.9 – Product safety labels illustrating –"WARNING – Disconnect battery before maintenance"
Figure BB.1 – Example 1 – Opening sizes ≤ 45 mm
Figure BB.2 – Example 2 – Opening sizes ≤ 45 mm
Figure BB.3 – Example 3 – Opening sizes ≤ 45 mm
Figure BB.4 – Example 1 – Opening sizes > 45 mm and ≤ 50 mm
Figure BB.5 – Example 2 – Opening sizes > 45 mm and ≤ 50 mm
Figure BB.6 – Example 3 – Opening sizes > 45 mm and ≤ 50 mm
Figure BB.7 – Example 4 – Opening sizes > 45 mm and ≤ 50 mm
Figure BB.8 – Example – Opening sizes ≤ 50 mm, constriction ≤ 26 mm
Figure CC.1 – Test enclosure, construction detail
Figure CC.2 – Test surface detail
Figure CC.3 – Example of base, nail plan
Figure CC.4 – Thrown objects test enclosure – General layout
Figure CC.5 – Intake target panel placement
Figure DD.1 – Test fixture for fibreboard penetration test
Figure EE.1 – Sketch of the measurement surface covered with an artificial surface
Figure FF.1 – Flowchart depicting the determination of applicable requirements for machines covered by Annex K
Figure FF.2 – Diagram depicting how Annex K in a Part 2, 3 or 4 overrides requirements in the main body of the Part 2, 3 or 4, Annex K in Part 1 and the main body of Part 1
Figure FF.3 – Diagram depicting how the main body in a Part 2, 3 or 4 overrides requirements in Annex K in Part 1 and the main body of Part 1
Figure FF.4 – Diagram depicting how Annex K in Part 1 overrides requirements in the main body of Part 1
Figure FF.5 – Diagram depicting no overriding of requirements in the main body of Part 1
Tables [Go to Page]
Table 4 – Required performance levels
Table 101 – Safety distances of shredding means to feed intake openings
Table 9 – Pull and torque value
Table 12 – Minimum creepage distances and clearances
Table I.101 – Co-ordinates of microphone positions
Table I.102 – Absorption coefficients
Table K.301 – Pull and torque value
Table K.1 – Minimum creepage distances and clearances between parts of different potential
Table K.2 – Minimum total sum of creepage distances and clearances to accessible surfaces
Français [Go to Page]
SOMMAIRE
AVANT-PROPOS
1 Domaine d'application
2 Références normatives
3 Termes et définitions
4 Exigences générales
5 Conditions générales d'essai
6 Rayonnement, toxicité et dangers analogues
7 Classification
8 Marquage et indications
9 Protection contre l'accès aux parties actives
10 Démarrage
11 Puissance et courant
12 Échauffements
13 Résistance à la chaleur et au feu
14 Résistance à l'humidité
15 Protection contre la rouille
16 Protection contre la surcharge des transformateurs et des circuits associés
17 Endurance
18 Fonctionnement anormal
19 Dangers mécaniques
20 Résistance mécanique
21 Construction
22 Conducteurs internes
23 Composants
24 Raccordement au réseau et câbles souples extérieurs
25 Bornes pour conducteurs externes
26 Dispositions de mise à la terre
27 Vis et connexions
28 Lignes de fuite, distances d'isolement et distances à travers l'isolation
Annexes [Go to Page]
Annexe I (informative) Mesurage des émissions acoustiques et de vibration
Annexe K (normative) Outils fonctionnant sur batteries et blocs de batteries
Annexe L (normative) Outils fonctionnant sur batteries et blocs de batteries équipés d'une connexion avec le réseau ou avec des sources non isolées
Annexe AA (normative) Étiquettes de sécurité de produits qui peuvent être utilisées sur les machines
Annexe BB (informative) Méthodes de combinaison de formes rondes et carrées et de fentes ≤ 50 mm conformes à la distance de sécurité ≥ 200 mm
Annexe CC (normative) Enveloppe d'essai de projection d'objets
Annexe DD (normative) Panneaux cibles – Spécification du carton
Annexe EE (informative) Exemple d'un matériau et d'une construction qui satisfont aux exigences relatives à une surface artificielle
Annexe FF (informative) Détermination des exigences applicables pour les machines couvertes par l'Annexe K
Bibliographie
Figures [Go to Page]
Figure 101 – Exemple de déchiqueteuse/machine à déchiqueter
Figure 102 – Distance entre l'orifice d'introduction en toute sécuritéet le dispositif de déchiquetage
Figure 103 – Calibre de bras pour les essais de protection contre une trajectoire sinueuse du dispositif de déchiquetage à travers l'orifice d'introduction
Figure 104 – Exemples d'exigences de distance de la goulotte d'éjection
Figure 105 – Longueur du goujon en bois
Figure 106 – Éprouvette de prisme en céramique
Figure 107 – Points d'insertion du goujon en bois
Figure 108 – Assemblage d'essai d'accessibilité des lames de la fiche de branchement
Figure I.101 – Positions de microphones sur l'hémisphère (voir le Tableau I.101)
Figure I.102 – Position des microphones pour le mesurage du niveau de pression acoustique d'émission et emplacement de la machine par rapport ausystème de coordonnées des microphones
Figure AA.1 – Étiquettes de sécurité de produits qui indiquent "AVERTISSEMENT – Lames rotatives. Ne pas approcher les mains des orificespendant le fonctionnement de la machine"
Figure AA.2 – Étiquettes de sécurité de produits qui indiquent "AVERTISSEMENT – Tenir les personnes présentes à distance"
Figure AA.3 – Étiquette de sécurité de produit qui indique "AVERTISSEMENT –Prendre garde à la projection d'objets"
Figure AA.4 – Étiquettes de sécurité de produits qui indiquent "AVERTISSEMENT – Débrancher la prise du secteur avant toute opération de maintenance ou en cas d'endommagement du câble"
Figure AA.5 – Étiquettes de sécurité de produits qui indiquent "Porter une protection pour les yeux"
Figure AA.6 – Étiquette de sécurité de produit qui indique"Porter des protecteurs d'oreilles"
Figure AA.7 – Étiquette de sécurité de produit facultative qui indique "Porter une protection pour les yeux et des protecteurs d'oreilles"
Figure AA.8 – Étiquette de sécurité de produit qui indique "AVERTISSEMENT – Attendre l'arrêt complet de tous les composants de la machine avant d'y toucher"
Figure AA.9 – Étiquettes de sécurité de produits qui indiquent "AVERTISSEMENT – Débrancher la batterie avant toute opération de maintenance"
Figure BB.1 – Exemple 1 – Orifice de dimensions ≤ 45 mm
Figure BB.2 – Exemple 2 – Orifice de dimensions ≤ 45 mm
Figure BB.3 – Exemple 3 – Orifice de dimensions ≤ 45 mm
Figure BB.4 – Exemple 1 – Orifice de dimensions > 45 mm et ≤ 50 mm
Figure BB.5 – Exemple 2 – Orifice de dimensions > 45 mm et ≤ 50 mm
Figure BB.6 – Exemple 3 – Orifice de dimensions > 45 mm et ≤ 50 mm
Figure BB.7 – Exemple 4 – Orifice de dimensions > 45 mm et ≤ 50 mm
Figure BB.8 – Exemple – Orifice de dimensions ≤ 50 mm, constriction ≤ 26 mm
Figure CC.1 – Détails de construction de l'enveloppe d'essai
Figure CC.2 – Détails de la surface d'essai
Figure CC.3 – Exemple de base, plan de clouage
Figure CC.4 – Enveloppe d'essai de projection d'objets – Disposition générale
Figure CC.5 – Placement des panneaux cibles d'introduction
Figure DD.1 – Montage d'essai pour l'essai de pénétration du carton
Figure EE.1 – Schéma de la surface de mesure recouverte d'une surface artificielle
Figure FF.1 – Organigramme décrivant la détermination des exigences applicables pour les machines couvertes par l'Annexe K
Figure FF.2 – Schéma décrivant comment l'Annexe K de la Partie 2, 3 ou 4 contourne les exigences du corps principal de la Partie 2, 3 ou 4, de l'Annexe K de la Partie 1et du corps principal de la Partie 1
Figure FF.3 – Schéma décrivant comment le corps principal de la Partie 2, 3 ou 4 contourne les exigences de l'Annexe K de la Partie 1 et du corps principal de la Partie 1
Figure FF.4 – Schéma décrivant comment l'Annexe K de la Partie 1 contourne les exigences du corps principal de la Partie 1
Figure FF.5 – Schéma décrivant l'absence de contournement des exigences du corps principal de la Partie 1
Tableaux [Go to Page]
Tableau 4 – Niveaux de performance exigés
Tableau 101 – Distances de sécurité entre les dispositifs de déchiquetage et les orifices d'introduction
Tableau 9 – Force de traction et couple de torsion
Tableau 12 – Lignes de fuite et distances d'isolement minimales
Tableau I.101 – Coordonnées des positions de microphones
Tableau I.102 – Coefficients d'absorption
Tableau K.301 – Force de traction et couple de torsion
Tableau K.1 – Lignes de fuite et distances d'isolement minimales entre des parties de potentiel différent
Tableau K.2 – Somme totale minimale des lignes de fuite et des distances d'isolement par rapport aux surfaces accessibles [Go to Page]

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IEC 62841-4-8 Ed. 1.0 en:2025 EXV Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery - Safety - Part 4-8: Particular requirements for shredders/chippers, 2025

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