Industrial Scientific OLDHAM 300 Series, Operating And Maintenance Manual

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ANNEX 1
WIRING SPECIFICATION
SUBJECT
This specification defines the general principles that apply to the design and manufacture of
grounding devices for INDUSTRIAL SCIENTIFIC instrumentation.
REFERENCE DOCUMENTS
The electrical installation shall comply with French regulations in force, with all European
directives, all AFNOR standards and codes in force, insofar as they apply, as well as the client’s
general and particular specifications.
•
NFC 15-100 Requirements for Low Voltage electrical installations
•
NFC 17-100 Protection against lightning – Installation of lightning rods
•
EMC Electromagnetic compatibility - Directive 89/336/EEC
APPLICABLE REGULATIONS
•
Decree No. 88-10546 of 11/14/88 (worker protection)
•
Edict of 12/19/88 (conditions for equipment installation in places presenting a risk of explosion)
•
Decree No. 78-779 of 07/17/78 modified by Decree No. 81-440 of 05/05/81 amended on
07/01/91
• Edict of 04/06/81 and 09/07/82
• Edict of 03/31/80 (regulations for electrical installations in facilities regulated as part of the
legislation on classed installations likely to present a potential risk of explosion.)
GENERAL DESIGN
See all attachments, as well as the particular specifications below
Raceways:
Metal raceways are grounded using “Force” metal masses; cross-sectional area of the
grounded network is 10 mm
2
.
Junction boxes:
If polyester junction boxes are used, they must be equipped with:
- a tapped metal plate so as to interconnect the mass of the metal cable glands;
- an external ground connection of 4 mm
2
.