Section 7.8.7.1

Clasification Society 2024 - Version 9.40

Statutory Documents - IMO Publications and Documents - Circulars - Maritime Safety Committee - MSC/Circular.911 – Interpretations of Fire Protection-Related Provisions of the HSC Code – (Adopted on 4 June 1999) - Annex - Interpretations of Fire Protection-Related Provisions of the HSC Code - Section 7.8.7.1

Section 7.8.7.1

Degree of protection for electrical equipment

1 For equipment above a height of 450 mm above the deck:

The degree of protection for electrical equipment required by this section should have an enclosure having an ingress protection of at least IP 55 as defined in IEC Publication 529 - Classification of Degree of Protection provided by Enclosures, or by apparatus for use in zone 2 areas as defined in IEC Publication 79 - Electrical Apparatus for Explosive Gas Atmospheres (Temperature Class T3).

2 For equipment at or below a height of 450 mm above deck:

The electrical equipment referred to in this section should be certified "safe type" and wiring, if fitted, should be suitable for use in zone 1 areas as defined in IEC Publication 79 - Electrical Apparatus for Explosive Gas Atmospheres - (Gas Group II A and Temperature Class T 3).

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