Specifications

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

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