COMPEX Ex d Inspection

Question 1

TABLE 1 Ex d

A.1
EQUIPMENT IS APPROPRIATE TO THE EPL/ZONE REQUIREMENTS OF THE LOCATION.

Answer 1

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Question 2

TABLE 1 Ex d

A.2
EQUIPMENT GROUP IS CORRECT

Answer 2

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Equipment Groups
Group Category Level of protection
Group I M1 Very High
Group I M2 High

Group II CAT 1 Very High
Group II CAT 2 High
Group II CAT 3 Normal

Question 3

TABLE 1 Ex d

A.3
EQUIPMENT TEMPERATURE CLASS IS CORRECT (GAS ONLY)

Answer 3

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Question 4

TABLE 1 Ex d

A.5
DEGREE OF PROTECTION (IP) OF EQUIPMENT IS APPROPRIATE FOR THE LEVEL OF PROTECTION/GROUP CONDUCTIVITY

Answer 4

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Question 5

TABLE 1 Ex d

A.6
EQUIPMENT CIRCUIT IDENTIFICATION IS CORRECT.

Answer 5

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Question 6

TABLE 1 Ex d

A.7
EQUIPMENT CIRCUIT IDENTIFICATION IS AVAILABLE.

Answer 6

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Question 7

TABLE 1 Ex d

A.8
ENCLOSURE, GLASS PARTS AND GLASS TO METAL SEALING GASKETS AND / OR COMPOUNDS ARE SATISFACTORY.

Answer 7

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Question 8

TABLE 1 Ex d

A.9
THERE IS NO DAMAGE OR UNAUTHORISED MODIFICATIONS

Answer 8

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Question 9

TABLE 1 Ex d

A.10
THERE IS NO EVIDENCE OF UNAUTHORISED MODIFICATIONS

Answer 9

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Question 10

TABLE 1 Ex d

A.11
BOLTS, CABLE ENTRY DEVICES (DIRECT AND INDIRECT) AND BLANKING ELEMENTS ARE OF THE CORRECT TYPE ARE COMPLETE AND TIGHT.
PHYSICAL CHECK

Answer 10

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Question 11

TABLE 1 Ex d

A.11
BOLTS, CABLE ENTRY DEVICES (DIRECT AND INDIRECT) AND BLANKING ELEMENTS ARE OF THE CORRECT TYPE ARE COMPLETE AND TIGHT.

Answer 11

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Question 12

TABLE 1 Ex d

A.12
THREADED COVERS ON ENCLOSURES ARE OF THE CORRECT TYPE, ARE TIGHT AND SECURED.
PHYSICAL CHECK

Answer 12

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Question 13

TABLE 1 Ex d

A.12
THREADED COVERS ON ENCLOSURES ARE OF THE CORRECT TYPE, ARE TIGHT AND SECURED.

Answer 13

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Question 14

TABLE 1 Ex d

A.13
JOINT FACES ARE CLEAN AND UNDAMAGED AND GASKETS, IF ANY, ARE SATISFACTORY.

Answer 14

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Question 15

TABLE 1 Ex d

A.14
CONDITION OF ENCLOSURE GASKETS IS SATISFACTORY.

Answer 15

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Question 16

TABLE 1 Ex d

A.15
THERE IS NO EVIDENCE OR INGRESS OF WATER OR DUST IN THE ENCLOSURE IN ACCORDANCE WITH THE IP RATING.

Answer 16

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Question 17

TABLE 1 Ex d

A.16
DIMENSIONS OF FLANGE JOINT GAPS ARE WITHIN MAXIMUM VALUES PERMITTED

Answer 17

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Question 18

TABLE 1 Ex d

A.25
BREATHING AND DRAINING DEVICES ARE SATISFACTORY.

Answer 18

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Question 19

TABLE 1 Ex d

A.27
HIGH INTENSITY DISCHARGE LAMPS ARE NOT INDICATING END OF LIFE EFFECTS

Answer 19

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Question 20

TABLE 1 Ex d

A.28
LAMP TYPE, RATING, PIN CONFIGURATION AND POSITION ARE CORRECT

Answer 20

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Question 21

TABLE 1 Ex d

A.29
MOTOR FANS HAVE SUFFICIENT CLEARANCE TO ENCLOSURE AND / OR COVERS, COOLING SYSTEMS ARE UNDAMAGED, MOTOR FOUNDATIONS HAVE NO INDENTATIONS OR CRACKS

Answer 21

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Question 22

TABLE 1 Ex d

A.30
MOTOR VENTILATION AIRFLOW ARE NOT IMPEDED

Answer 22

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Question 23

TABLE 1 Ex d

A.31
INSULATION RESISTANCE (IR) OF THE MOTOR WINDINGS IS SATISFACTORY

Answer 23

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Question 24

TABLE 1 Ex d

B.1
TYPE OF CABLE IS APPROPRIATE

Answer 24

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Question 25

TABLE 1 Ex d

B.2
THERE IS NO OBVIOUS DAMAGE TO CABLES

Answer 25

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Question 26

TABLE 1 Ex d

B.3
SEALING OF TRUNKING, DUCTS, PIPES, CONDUITS IS SATISFACTORY

Answer 26

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Question 27

TABLE 1 Ex d

B.4
STOPPING BOXES AND CABLE BOXES ARE CORRECTLY FILLED.

Answer 27

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Question 28

TABLE 1 Ex d

B.5
INTEGRITY OF CONDUIT SYSTEM AND INTERFACE WITH MIXED SYSTEM IS MAINTAINED

Answer 28

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Question 29

TABLE 1 Ex d

B.6
EARTH CONNECTIONS, INCLUDING ANY SUPPLEMENTARY EARTHING BONDING CONNECTIONS ARE SATISFACTORY (CONNECTIONS ARE CLEAN AND TIGHT AND CONDUCTORS ARE OF SUFFICIENT CROSS-SECTION) - PHYSICAL CHECK

Answer 29

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Question 30

TABLE 1 Ex d

B.6
EARTH CONNECTIONS, INCLUDING ANY SUPPLEMENTARY EARTHING BONDING CONNECTIONS ARE SATISFACTORY (CONNECTIONS ARE CLEAN AND TIGHT AND CONDUCTORS ARE OF SUFFICIENT CROSS-SECTION) - VISUAL CHECK

Answer 30

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Question 31

TABLE 1 Ex d

B.7
FAULT LOOP IMPEDANCE (TN SYSTEMS) OR EARTHING RESISTANCE (IT SYSTEMS) IS SATISFACTORY.

Answer 31

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Question 32

TABLE 1 Ex d

B.8
AUTOMATIC ELECTRICAL PROTECTIVE DEVICES ARE SET CORRECTLY (AUTO-RESET NOT POSSIBLE)

Answer 32

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Question 33

TABLE 1 Ex d

B.9
AUTOMATIC ELECTRICAL PROTECTIVE DEVICES OPERATE WITHIN PERMITTED LIMITS.

Answer 33

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Question 34

TABLE 1 Ex d

B.10
SPECIFIC CONDITIONS OF USE (IF APPLICABLE) ARE COMPLIED WITH.

Answer 34

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Question 35

TABLE 1 Ex d

B.11
CABLES NOT IN USE ARE CORRECTLY TERMINATED

Answer 35

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Question 36

TABLE 1 Ex d

B.12
OBSTRUCTIONS ADJACENT TO FLAMEPROOF FLANGED JOINTS ARE IN ACCORDANCE TO IEC 60079-14    
IIA    10mm
IIB     30mm
IIC     40mm

Answer 36

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Question 37

TABLE 1 Ex d

B.13
VARIABLE VOLTAGE / FREQUENCY INSTALLATIONS IN ACCORDANCE WITH DOCUMENTATION

Answer 37

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Question 38

TABLE 1 Ex d

C.1
EQUIPMENT IS ADEQUATELY PROTECTED AGAINST CORROSION, WEATHER, VIBRATION AND OTHER ADVERSE VIBRATION AND OTHER ADVERSE FACTORS.

Answer 38

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Question 39

TABLE 1 Ex d

C.2
NO UNDUE ACCUMULATION OF DUST AND DIRT

Answer 39

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Question 40

Levels of Protection

What is the assured level of protection for Equipment Group II 1G 1D

Answer 40

II 1G 1D

Level of protection assured in the event of two equipment faults occurring independently of each other.

Question 41

Levels of Protection

What is the assured level of protection for Equipment Group II 2G 2D

Answer 41

II 2G 2D

Level of protection assured in the event of one equipment fault.

Question 42

Levels of Protection

What is the level of assured protection for Equipment Group II 3G 3D

Answer 42

II 3G 3D

Level of protection is assured in normal operation

Question 43

DUST GROUP

What is the definition of Group IIIA

Answer 43

IIIA is combustible flying dust and fibres

Saw Dust
Grain Dust
Tobacco

Question 44

DUST GROUP

What is the definition of Group IIIB

Answer 44

IIIB is non-conductive dust.

Creates an electrostatic Charge

Milk Powder
Sugar Powder

Question 45

DUST GROUP

What is the definition of Group IIIC

Answer 45

IIIC is conductive dust.

Most Dangerous Dust type

Graphite Dust
Metal Dust
Toner

Question 46

What are the three grades of inspection?

Answer 46

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