Page 47 - Offshore Electrical Engineering Manual

34 CHAPTER 1 Insulation and Temperature Ratings of Equipment

ATEX EX ‘E’ INCREASED SAFETY CERTIFIED MOTORS

Thermal overload devices must be certified with the motor and form part of the motor
certification.
For further hazardous area topics see PART 5 Chapter 4.
Other useful references include:

• Marine Electrical Practice, Sixth Edition, Revised by BP Shipping Ltd., G. O.
Watson, CEng, FIEE, FIEEE, FIMarE
• Marine Electrical Equipment and Practice, Second edition, H. D. McGeorge,
CEng, FIMarE, MRINA
• Dangerous Substances and Explosive Atmospheres Regulations 2002 –
Approved Code of Practice and guidance
• GAMBICA ATEX and Power Drive Systems User Guide No. 4 Second Edition –
Application of the ATEX Directives to Power Drive Systems

For further electrical system protection topics please refer to PART 4.

ACKNOWLEDGMENTS
My thanks to George Watson’s ‘Marine Electrical Practice’ (Butterworth Heinemainn) for
some of the material in this chapter.