By Institution of Electrical Engineers
A sequence of steering Notes has been issued, every one of which enlarges upon and amplifies the actual standards of part of BS 7671:2001 (IEE Wiring rules, sixteenth Edition). every one of those courses is broadly cross-referenced to the laws hence offering handy and prepared entry. a few suggestions Notes include details no longer integrated within the sixteenth variation yet which used to be integrated in past variations of the IEE Wiring laws. all of the publications were up to date to align with BS 7671: 2001.
Read or Download Guidance Note 7: Special Locations (IEE Guidence Notes) (No 7) PDF
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Extra info for Guidance Note 7: Special Locations (IEE Guidence Notes) (No 7)
2 Notice for shore supplies with direct connection to earth INSTRUCTIONS FOR ELECTRICITY SUPPLY BERTHING INSTRUCTIONS FOR CONNECTION TO SHORE SUPPLY This marina provides power for use on your leisure craft with a direct connection to the shore supply which is connected to earth. Unless you have an isolating transformer fitted on board to isolate the electrical system on your craft from the shore supply system, corrosion through electrolysis could damage your craft or surrounding craft. ON ARRIVAL (i) Ensure the supply is switched off before inserting the craft plug.
This allows for the usual battery-fed 12 V circuits for interior lighting in accordance with BS EN 1648: Leisure accommodation vehicles 12 V direct current extra-low voltage installations and for the road lighting circuits in accordance with the Road Vehicle Lighting Regulations 1989. The independent circuits must be compartmentalised or insulated for the highest voltage present, that is 230 V. 6 Switchgear and controlgear The inlet to the caravan is required to be two-pole and earthing contact and to comply with BS EN 60309-2 with the earthing contact at key position 6 h; it is normally rated at 16 A and coloured blue.
E. vehicles intended to be moved frequently from point to point. Leisure accommodation that is not intended for frequent movement, for example mobile homes, are not covered by Division one but may nevertheless be subject to the prohibition by the Electricity Safety, Quality and Continuity Regulations 2002 on connection of caravan metalwork to the neutral conductor of a PME supply. 2 Equipotential bonding The minimum cross-sectional area required for bonding conductors to extraneous-conductive-parts of caravans is 4 mm2 irrespective of the provision of protection against mechanical damage.