Cart (0)
- No items in cart.
Total
$0
There is a technical issue about last added item. You can click "Report to us" button to let us know and we resolve the issue and return back to you or you can continue without last item via click to continue button.
Not a subscriber? Register for a trial account.
Already a subscriber? 
MADCAD.com Free Trial
Sign up for a 3 day free trial to explore the MADCAD.com interface, PLUS access the
2009 International Building Code to see how it all works.
If you like to setup a quick demo, let us know at support@madcad.com
or +1 800.798.9296 and we will be happy to schedule a webinar for you.
| Email * | |
| Password * | |
| Confirm * | |
| First Name * | |
| Last Name * | |
| Title | |
| Company Name * | |
| Company Size * | |
| Industry * | |
| Address * | |
| Address 2 | |
| City * | |
| State * |
Zip *
|
| Country * | |
| Phone * | |
| How did you hear about MADCAD.com? * |
|
Reset password
Enter your personal account email address to request
a password reset:
a password reset:
Reset password
Enter your account email address to request
a password reset:
a password reset:
Security check
Please login to your authorized staff account to use this feature.
Are you sure you want to empty the cart?
Report To Us
Contact us for a custom quote
⨯To continue with accurate pricing,
please select your company type below:
⨯We need your input!
Are you a code official in a jurisdiction with less than 300,000 population?
⨯ We need your input!
Download File
eLibrary >
21/30445647 DC BS EN 60079-0. Explosive atmospheres - Part 0. Equipment. General requirements >
Expand All
TOC Search:
21/30445647 DC BS EN 60079-0. Explosive atmospheres - Part 0. Equipment. General requirements, 2021
- 31_1597e_CD (1).pdf [Go to Page]
- CONTENTS
- FOREWORD
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Equipment grouping [Go to Page]
- 4.1 General
- 4.2 Group I
- 4.3 Group II
- 4.4 Group III
- 4.5 Equipment for a particular explosive gas atmosphere
- 5 Temperatures [Go to Page]
- 5.1 Environmental influences [Go to Page]
- 5.1.1 Ambient temperature
- 5.1.2 External source of heating or cooling
- 5.2 Service temperature, TS
- 1.1
- 5.3 Maximum surface temperature [Go to Page]
- 5.3.1 Determination of maximum surface temperature
- 5.3.2 Limitation of maximum surface temperature [Go to Page]
- 5.3.2.1 Group I equipment
- 5.3.2.2 Group II equipment
- 5.3.2.3 Group III equipment [Go to Page]
- 5.3.2.3.1 Maximum surface temperature for EPL Da
- 5.3.2.3.2 Maximum surface temperature for EPL Db
- 5.3.2.3.3 Maximum surface temperature determined without a layer of dust for EPL Dc
- 5.3.3 Small component temperature for Group I or Group II electrical equipment
- 5.3.4 Component temperature of smooth surfaces for Group I or Group II equipment
- 6 Requirements for all equipment [Go to Page]
- 6.1 General
- 6.2 Mechanical strength of equipment
- 6.3 Opening times
- 6.4 Circulating currents in enclosures (e.g. of large electric machines)
- 6.5 Gasket retention
- 6.6 Electromagnetic and ultrasonic energy radiating equipment [Go to Page]
- 6.6.1 General
- 6.6.2 Radio frequency sources
- 6.6.3 Ultrasonic sources
- 6.6.4 Optical radiation sources
- 7 Non-metallic enclosures and non-metallic parts of enclosures [Go to Page]
- 7.1 General [Go to Page]
- 7.1.1 Applicability
- 7.1.2 Specification of materials [Go to Page]
- 7.1.2.1 General
- 7.1.2.2 Plastic materials
- 7.1.2.3 Elastomers
- 7.1.2.4 Materials used for cementing
- 7.2 Thermal endurance [Go to Page]
- 7.2.1 Tests for thermal endurance
- 7.2.2 Material selection
- 7.2.3 Alternative qualification of elastomeric sealing O-rings
- 7.3 Resistance to ultraviolet light
- 7.4 Electrostatic charges on external non-metallic materials [Go to Page]
- 7.4.1 Applicability
- 7.4.2 Avoidance of a build-up of electrostatic charge for Group I or Group II
- 7.4.3 Avoidance of a build-up of electrostatic charge for Group III
- 7.5 Attached external conductive parts
- 8 Metallic enclosures and metallic parts of enclosures [Go to Page]
- 8.1 Material composition
- 8.2 Group I
- 8.3 Group II
- 8.4 Group III
- 8.5 Copper Alloys
- 9 Fasteners [Go to Page]
- 9.1 General fasteners
- 9.2 Special fasteners
- 9.3 Holes for special fasteners [Go to Page]
- 9.3.1 Thread engagement
- 9.3.2 Tolerance and clearance
- 9.4 Hexagon socket set screws
- 10 Interlocking devices
- 11 Bushings
- 12 (Reserved for future use)
- 13 Ex Components [Go to Page]
- 13.1 General
- 13.2 Mounting
- 13.3 Internal mounting
- 13.4 External mounting
- 13.5 Ex Component certificate
- 14 Connection facilities [Go to Page]
- 14.1 General
- 14.2 Type of Protection
- 14.3 Creepage and clearance
- 15 Connection facilities for earthing or bonding conductors [Go to Page]
- 15.1 Equipment requiring earthing or bonding [Go to Page]
- 15.1.1 Internal earthing
- 15.1.2 External bonding
- 15.2 Equipment not requiring earthing
- 15.3 Size of protective earthing conductor connection
- 15.4 Size of equipotential bonding conductor connection
- 15.5 Protection against corrosion
- 15.6 Secureness of electrical connections
- 15.7 Internal earth continuity plate
- 16 Entries into enclosures [Go to Page]
- 16.1 General
- 16.2 Identification of entries
- 16.3 Cable glands
- 16.4 Blanking elements
- 16.5 Thread adapters
- 16.6 Temperature at branching point and entry point
- 16.7 Electrostatic charges of cable sheaths
- 17 Supplementary requirements for electric machines [Go to Page]
- 17.1 General
- 17.2 Ventilation [Go to Page]
- 17.2.1 Ventilation openings
- 17.2.2 External fans [Go to Page]
- 17.2.2.1 External fan hood and external ventilation screens
- 17.2.2.2 Fan impellors
- 1.1.1 Fan impellors manufactured from materials containing aluminium, magnesium, titanium, or zirconium, shall comply with Clause 8.
- 17.2.3 Cooling fans of rotating electric machines [Go to Page]
- 17.2.3.1 Fans and fan hoods
- 17.2.3.2 Construction and mounting of the ventilating systems
- 17.2.3.3 Clearances for the ventilating system
- 17.2.4 Auxiliary motor cooling fans
- 17.2.5 Room ventilating fans [Go to Page]
- 17.2.5.1 Applicability
- 17.2.5.2 General
- 17.2.5.3 Fan and fan hoods
- 17.2.5.4 Construction and mounting
- 17.2.5.5 Clearances for rotating parts
- 17.3 Bearings
- 18 Supplementary requirements for switchgear [Go to Page]
- 18.1 Flammable dielectric
- 18.2 Disconnectors
- 18.3 Group I – Provisions for locking
- 18.4 Doors and covers
- 19 Supplementary requirements for factory-wiring between enclosures
- 1
- 20 Supplementary requirements for external plugs, socket outlets and connectors for field wiring connection [Go to Page]
- 20.1 General
- 20.2 Explosive gas atmospheres
- 20.3 Explosive dust atmospheres
- 20.4 Energized plugs
- 21 Supplementary requirements for luminaires [Go to Page]
- 21.1 General
- 21.2 Covers for luminaires of EPL Mb, EPL Gb, or EPL Db
- 21.3 Covers for luminaires of EPL Gc or EPL Dc
- 21.4 Sodium lamps
- 21.5 Replacement lamps
- 22 Supplementary requirements for caplights and handlights [Go to Page]
- 22.1 Group I caplights
- 22.2 Group II and Group III caplights and handlights
- 23 Equipment incorporating cells and batteries [Go to Page]
- 23.1 General
- 23.2 Interconnection of cells to form batteries
- 23.3 Cell types
- 23.4 Cells in a battery
- 23.5 Ratings of batteries
- 23.6 Interchangeability
- 23.7 Charging of primary batteries
- 23.8 Leakage
- 23.9 Connections
- 23.10 Orientation
- 23.11 Replacement of cells or batteries
- 23.12 Replaceable battery pack
- 24 Documentation [Go to Page]
- 24.1 Schedule drawings
- 24.2 Related drawings
- 25 Compliance of prototype or sample with documents
- 26 Type tests [Go to Page]
- 26.1 General
- 26.2 Test configuration
- 26.3 Tests in explosive test mixtures
- 26.4 Tests of enclosures [Go to Page]
- 26.4.1 Order of tests [Go to Page]
- 26.4.1.1 Metallic enclosures, metallic parts of enclosures and glass or ceramic parts of enclosures
- 26.4.1.2 Non-metallic enclosures or non-metallic parts of enclosures [Go to Page]
- 26.4.1.2.1 General
- 26.4.1.2.2 Group I equipment
- 26.4.1.2.3 Group II and Group III equipment
- 26.4.2 Resistance to impact
- 26.4.3 Drop test
- 26.4.4 Acceptance criteria
- 26.4.5 Degree of protection (IP) by enclosures [Go to Page]
- 26.4.5.1 Test procedure
- 26.4.5.2 Acceptance criteria
- 26.5 Thermal tests [Go to Page]
- 26.5.1 Temperature measurement [Go to Page]
- 26.5.1.1 General
- 26.5.1.2 Service temperature, TS,
- 26.5.1.3 Maximum surface temperature
- 26.5.2 Thermal shock test
- 26.5.3 Small component ignition test (Group I and Group II) [Go to Page]
- 26.5.3.1 General
- 26.5.3.2 Procedure
- 26.5.3.3 Acceptance criteria
- 26.6 Torque test for bushings [Go to Page]
- 26.6.1 Test procedure
- 26.6.2 Acceptance criteria
- 26.7 Non-metallic enclosures or non-metallic parts of enclosures [Go to Page]
- 26.7.1 General
- 26.7.2 Test temperatures
- 26.8 Thermal endurance to heat
- 26.9 Thermal endurance to cold
- 26.10 Resistance to UV light [Go to Page]
- 26.10.1 General
- 26.10.2 Light exposure
- 26.10.3 Acceptance criteria
- 26.11 Resistance to chemical agents for Group I equipment
- 26.12 Earth continuity
- 26.13 Surface resistance test of parts of enclosures of non-metallic materials
- 26.14 Measurement of capacitance [Go to Page]
- 26.14.1 General
- 26.14.2 Test procedure
- 26.15 Verification of ratings of ventilating fans
- 26.16 Alternative qualification of elastomeric sealing O-rings
- 26.17 Transferred charge test [Go to Page]
- 26.17.1 Test equipment
- 26.17.2 Test sample
- 26.17.3 Test procedure
- 27 Routine tests
- 28 Manufacturer's responsibility [Go to Page]
- 28.1 Conformity with the Schedule Drawings
- 28.2 Certificate
- 28.3 Responsibility for marking
- 29 Marking [Go to Page]
- 29.1 Applicability
- 29.2 Location
- 29.3 General
- 29.4 Ex marking for explosive gas atmospheres
- 29.5 Ex marking for explosive dust atmospheres
- 29.6 Combined types (or levels) of protection
- 29.7 Multiple types of protection
- 29.8 Ga equipment using two independent Gb types (or levels) of protection
- 29.9 Boundary wall
- 29.10 Ex Components
- 29.11 Small Ex Equipment and small Ex Components
- 29.12 Extremely small Ex Equipment and extremely small Ex Components
- 29.13 Alternative marking of Ex Equipment and Ex Components using digital technology
- 29.14 Warning markings
- 29.15 Cells and batteries
- 29.16 Electric machines supplied by a converter
- 29.17 Examples of marking1F
- 30 Instructions [Go to Page]
- 30.1 General
- 30.2 Cells and batteries
- 30.3 Electric machines
- 30.4 Ventilating fans
- 30.5 Cable glands
- Annex A (normative) Supplementary requirements for cable glands [Go to Page]
- A.1 General
- A.2 Constructional requirements [Go to Page]
- A.2.1 Cable sealing
- A.2.2 Filling compounds
- A.2.3 Clamping [Go to Page]
- A.2.3.1 General
- A.2.3.2 Group II or III cable glands
- A.2.4 Lead-in of cable [Go to Page]
- A.2.4.1 Sharp edges
- A.2.4.2 Point of entry
- A.2.5 Release by a tool
- A.2.6 Fixing
- A.2.7 Degree of protection (IP) rating
- A.3 Type tests [Go to Page]
- A.3.1 Tests of clamping of non-armoured and braided cables [Go to Page]
- A.3.1.1 Cable glands with clamping by the sealing ring
- A.3.1.2 Cable glands with clamping by filling compound
- A.3.1.3 Cable glands with clamping by means of a clamping device
- A.3.1.4 Clamping test
- A.3.1.5 Mechanical strength
- A.3.2 Tests of clamping of armoured cables [Go to Page]
- A.3.2.1 Tests of clamping where the armourings are clamped by a device integral to the gland [Go to Page]
- A.3.2.1.1 General
- A.3.2.1.2 Clamping test
- A.3.2.1.3 Mechanical strength
- A.3.2.2 Tests of clamping where the armourings are not clamped by a device integral to the gland
- A.3.3 Type test for resistance to impact
- A.3.4 Test for degree of protection (IP) rating of cable glands
- A.4 Marking [Go to Page]
- A.4.1 Marking of cable glands
- A.4.2 Identification of cable-sealing rings
- A.5 Instructions
- Annex B (normative) Requirements for Ex Components
- Annex C (informative) Example of rig for resistance to impact test
- Annex D (informative) Electric machines supplied by a converter
- Annex E (informative) Temperature evaluation of electric machines
- Annex F (informative) Guidance flowchart for tests of non-metallic enclosures or non-metallic parts of enclosures (26.4)
- Annex G (informative) Guidance flowchart for tests of cable glands
- Annex H (informative) Shaft voltages resulting in motor bearing or shaft brush sparking Discharge energy calculation [Go to Page]
- H.1 General
- H.2 Assessment of the risk of ignition using ignition energy calculation
- H.3 Shaft voltage determination for a rotating machine
- H.4 Capacitance “C” calculation for a rotating machine
- H.5 Energy “E” calculation for a rotating machine
- H.6 Assessment using reference curves
- Bibliography [Go to Page]
Copyright 2024 Compu-tecture, Inc.
All Rights Reserved.
About Us /
Careers /
support@madcad.com /
1.800.798.9296