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C
Ambient conditions
1
Equipment is adequately protected against corrosion, weather, vibration and other ad-
verse factors
2
No undue accumulation of dust and dirt
3
Electrical insulation is clean and dry
NOTE 1 General information: Equipment having the types of protection "d" and "e" is checked using a combination of both co-
lumns.
NOTE 2 Items B7 and B8: When using electrical test equipment, take into account that there could be an explosive atmosphere
in the vicinity of the equipment.
Inspection schedule for Ex "i"
Please check the following:
A
Equipment
1
Circuit and/or equipment documentation is appropriate to zone classification
2
Installed equipment corresponds to the equipment specified in the documentation - only
applicable for stationary equipment
3
Category and group of the electric circuit and/or the equipment are correct
4
Temperature class of the equipment is correct
5
Installation is clearly labelled
6
There are no unauthorised modifications
7
There are no visible unauthorised modifications
8
Safety barriers, relays and other energy limiting devices correspond to the approved ty-
pe, are installed in accordance with the certifications and are securely earthed if neces-
sary.
9
Electrical connections are fixed properly
10
Printed circuit boards are clean and undamaged
B
Installation
1
Cables are installed in accordance with the documentation
2
Cable screens are earthed in accordance with the documentation
3
There is no obvious damage to cables
4
Sealing of trunking, ducts, pipes and/or conduits is satisfactory
5
Point-to-point connections are all correct
6
Earth continuity is satisfactory (for example, the connections are fixed properly and the
conductor cross sections are sufficient)
7
Earth connection maintain the integrity of the type of protection
8
The intrinsically safe circuit is isolated from earth or grounded at one point only (refer
to documentation)
9
Separation is maintained between intrinsically safe and non-intrinsically safe circuits in
common distribution boxes or relay cubicles
10
If applicable, short-circuit protection of the power supply is in accordance with the do-
cumentation
11
Special operating conditions (if applicable) are observed
12
Cables not in use are correctly terminated
C
Ambient conditions
1
Equipment is adequately protected against corrosion, weather, vibration and other ad-
verse factors
2
No undue accumulation of dust and dirt
137193 / 8146620300
S-BA-8146/5-04-en-16/09/2009
x
x
x
x
x
x
Grade of inspection
Detailed
inspec-
tion
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
Control Panels and Distribution Systems
8146/5
Maintenance
x
x
x
x
x
x
x
x
x
x
x
x
x
x
Close in-
Visual in-
spection
spection
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
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