Section 9 Equipment – heating, lighting and accessories
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Naval Ships, January 2023 - Volume 2 Machinery and Engineering Systems - Part 9 Electrotechnical Systems - Chapter 3 Electrical Power Distribution and Equipment - Section 9 Equipment – heating, lighting and accessories

Section 9 Equipment – heating, lighting and accessories

9.1 Heating and cooking equipment

9.1.1 The construction of heaters is to give a degree of protection according to IEC 600529: Degrees of protection provided by enclosures (IP Code), or an acceptable and relevant National Standard, suitable for the intended location.

9.1.2 Heating elements are to be suitably guarded.

9.1.3 Heating and cooking equipment is to be installed such that adjacent bulkheads and decks are not subjected to excessive heating.

9.2 Socket outlets and plugs

9.2.1 The temperature rise on the live parts of socket outlet and plugs is not to exceed 30ΊC. Socket outlets and plugs are to be so constructed that they cannot be readily short-circuited whether the plug is in or out, and so that a pin of the plug cannot be made to earth either pole of the socket outlet.

9.2.2 All socket outlets of current rating in excess of 16 A are to be provided with a switch, and be interlocked such that the plug cannot be inserted or withdrawn when the switch is in the ‘on’ position.

9.2.3 Where it is necessary to earth the non-current carrying parts of portable or transportable equipment, an effective means of earthing is to be provided at the socket outlet.

9.2.4 On weather decks, galleys, laundries, machinery spaces and all wet situations socket outlets and plugs are to be effectively shielded against rain and spray and are to be provided with means of maintaining this quality after removal of the plug.

9.3 Enclosures

9.3.1 Enclosures for the containing and mounting of electrical accessories are to be of metal, effectively protected against corrosion, or of flame-retardant insulating materials.


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