AS NZS 3000 2000 amdt 1 2001 electrical installations

Title AS/NZS 3000:2000/Amdt 1-2001 Electrical installations (known as the Australian/New Zealand Wiring Rules) Licensee Licensed to LUU MINH LUAN on 25 Feb 2002 Conditions of use This is a licensed electronic copy of a document where copyright is owned or managed by Standards Australia International Your licence is a single user licence and the document may not be stored, transferred or otherwise distributed on a network You may also make one paper copy of this document if required Web Check-up AS/NZS 3000/Amdt 1/2001-09-25 STANDARDS AUSTRALIA/STANDARDS NEW ZEALAND Amendment No to AS/NZS 3000 :2000 Electrical installations (known as the Australian/New Zealand Wiring Rules) REVISED TEXT The 2000 edition of AS/NZS 3000 is amended as follows; the amendments should be inserted in the appropriate places Licensed to LUU MINH LUAN on 25 Feb 2002 Single user licence only Storage, distribution or use on network prohibited SUMMARY: This Amendment applies to the Clauses 1.4.57, 1.8.2(c), 1.10.1, 2.4.3.2(b), 2.8.3.3.1, 2.9.8.4(b), 3.9.4.4, 3.9.4.5, 3.11.3.3(e), 4.3.6.2, 4.5.2.2(ii), 5.6.7.2, 5.7.3.5, 6.3.3.2.2, 7.1.1, 7.1.2.1, 7.1.2.2, 7.1.4.1, 7.1.4.2, 7.1.4.3, 7.1.4.4, 7.8.10.5.3, 7.9.1, 7.9.2.1, 7.9.2.2, 7.10.9.2 & 7.10.9.4 and FIGURES 3.1, 7.1A (in part) on Pages 172, 173 & 174, 7.1B (in part) on Pages 175 & 176, 7.1C on Page 177 and 7.1D on Page 178, TABLE 3.6 and APPENDICES A, B and D Published on 25 September 2001 Approved for publication in New Zealand on behalf of the Standards Council of New Zealand on 24 August 2001 AMDT No SEPT 2001 AMDT No SEPT 2001 AMDT No SEPT 2001 Page 21 Clause 1.4.57 Delete the NOTE to Item (c) and insert the following: NOTE: Elastomer sheathed cables in accordance with the AS/NZS 5000 series, sheathed flexible cords in accordance with AS/NZS 3191 other than the ‘light duty’ type, and sheathed neutral-screened cables in accordance with AS/NZS 3155 are deemed to provide double insulation between the conductors of the cable and any metal in contact with the cable The use of flexible cords of the ‘light duty’ type as supply flexible cords is covered in equipment Standards Delete the NOTE to Item (d) and insert the following: NOTE: Aerial bundled cables in accordance with AS/NZS 3560.1 are deemed to provide reinforced insulation provided they meet the requirements for reinforced insulation detailed in AS/NZS 3100 Page 39 Clause 1.8.2(c) Delete Item (a) of the NOTE and insert the following: (a) For Australia, 230/400 V +10% −6% (in accordance with AS 60038); and Page 43 Clause 1.10.1 Delete first sentence and insert the following: Electrical equipment shall be installed in accordance with the manufacturer’s instructions and generally accepted principles of safe and sound practice ISBN 7337 4106 AMDT No SEPT 2001 Licensed to LUU MINH LUAN on 25 Feb 2002 Single user licence only Storage, distribution or use on network prohibited AMDT No SEPT 2001 AMDT No SEPT 2001 AMDT No SEPT 2001 Page 49 Clause 2.4.3.2(b) Delete the NOTE to the equations and insert the following: NOTE: Therefore to satisfy Equation 2.4.3.2(2), the nominal current I N of a fuse should not exceed 90% (1.45/1.6 = 0.9) of I Z Page 59 Clause 2.8.3.3.1 Insert the following as the final Paragraph: The following parts of the installation need not be controlled by a main isolating switch or switches: (a) Consumers mains (b) Ancillary equipment, measuring devices, and associated wiring that are required to be connected to the supply side of the main switch or switches, provided that this wiring and equipment are confined within or on the switchboard (c) Equipment associated with emergency systems that are connected on the supply side of a main switch in accordance with Clause 7.10 (d) Equipment associated with alternative supply systems that are connected on the supply side of a main switch in accordance with Clause 4.8 (e) Fault current limiters (f) Surge diverters switchboards installed to protect consumers mains or main Page 70 Clause 2.9.8.4(b) Delete Item (b) and insert the following: (b) Water containers and fixed or stationary cooking appliances A switchboard shall not be installed above open water containers or fixed or stationary cooking appliances If located in an area where it may be affected by water splashing or steam the switchboard shall be provided with a suitable enclosure or shall be installed in a cupboard with close fitting doors Page 89 Clause 3.9.4.4 Delete the second Paragraph and insert the following: Wiring systems shall be protected by one of the methods outlined in Clause 3.9.4.6 if they pass through the immediate roof support, or are fixed in position, within 50 mm from the underside of the roof material AMDT No SEPT 2001 Licensed to LUU MINH LUAN on 25 Feb 2002 Single user licence only Storage, distribution or use on network prohibited AMDT No SEPT 2001 AMDT No SEPT 2001 AMDT No SEPT 2001 Page 89 Clause 3.9.4.5 Delete Item (b) and insert the following: (b) fixed or otherwise restrained in position in a hollow wall Delete Item (ii) and insert the following: (ii) installed to be able to move freely within holes in supports in hollow walls, such as studs, noggins and wall plates Page 90 Figure 3.1 Delete Figure 3.1 and insert the following: Page 101 Clause 3.11.3.3(e) Delete Item (e) and insert the following: (e) Bricks manufactured specifically for the protection of electric cables Page 102 Table 3.6 Delete Table 3.6 and insert new Table 3.6 (attached) Licensed to LUU MINH LUAN on 25 Feb 2002 Single user licence only Storage, distribution or use on network prohibited AMDT No SEPT 2001 TABLE 3.6 UNDERGROUND WIRING SYSTEM Heavyduty conduit* Mediumduty conduit* encased in concrete Heavyduty fibre cement conduit Fibre cement pipe or duct encased in concrete Medium-or heavy-duty galvanized pipe Mediumduty rigid, corrugated or flexible conduit* Buried direct in the ground Chased in rock with no enclosure (see Note 1) Insulated cables (without sheath) A A NP NP NP B NP NP Sheathed cables A A A A A B B NP Sheathed and armoured and served cables A A A A A A A C Neutral screened cables suitable for underground A A A A A A A NP Neutral screened cables A A A A A B B NP Armoured paper insulated lead covered cables without serving A A A A A B NP NP Type of cable Licensed to LUU MINH LUAN on 25 Feb 2002 Single user licence only Storage, distribution or use on network prohibited AMDT No SEPT 2001 Armoured paper insulated lead covered cables with serving A A A A A B B C Unarmoured paper insulated lead covered cables without serving A A A A NP B NP NP Unarmoured paper insulated lead covered cables with serving A A A A A B NP NP Served MIMS cables A A A A A B B C Aluminium sheathed or strip armoured cables with PVC sheath A A A A A B B C * These conduits and any associated fittings consist of insulating material only and not have any conductive components KEY: A = Category A system C = B = Category B system NP = Category C system Not permitted NOTES: Underground wiring installed as a Category A system and laid in a channel chased in rock in accordance with Category C system requirements of Table 3.7 may be deemed to be Category C See Clause 3.11.3 and Table 3.7 for installation and depth of laying requirements Page 117 Clause 4.3.6.2 AMDT No SEPT 2001 Licensed to LUU MINH LUAN on 25 Feb 2002 Single user licence only Storage, distribution or use on network prohibited AMDT No SEPT 2001 AMDT No SEPT 2001 Delete the third Paragraph and insert the following: The distance separating incandescent lamps of spotlights and objects, illuminated by them, which are made of flammable material shall be not less than the following values : Page 121 Clause 4.5.2.2(ii) Delete Item (ii) and insert the following: (ii) the secondary circuit conductors have a current-carrying capacity not less than the rated load current of the transformer primary winding multiplied by the ratio of the transformer primary voltage to the secondary voltage Page 146 Clause 5.6.7.2 Insert the following new clause number and title for existing text 5.6.7.2.1 General Insert the following new Clause 5.6.7.2.2 5.6.7.2.2 Restricted connections for final subcircuits The following restrictions apply to the use of protective earthing conductors: (a) Multicore cables Any protective earthing conductor incorporated in the sheathing of a multicore cable with live conductors shall be used only for the earthing of electrical equipment, including the earthing contacts of socket-outlets, supplied through the associated live conductors (b) Cables in conduit Any protective earthing conductor laid-up with live conductors within a conduit run shall only be used for the earthing of electrical equipment, including the earthing contacts of socket-outlets, supplied through the associated live conductors AMDT No SEPT 2001 Page 154 Clause 5.7.3.5 Delete the Clause and insert the following: 5.7.3.5 Unprotected consumers mains Where consumers mains are not protected on the supply side by shortcircuit protective devices any exposed conductive parts associated with the consumers mains such as — (a) switchboard cases, surrounds and enclosures; and (b) wiring enclosures; and (c) boxes and accessories; and (d) supports for aerial conductors; Licensed to LUU MINH LUAN on 25 Feb 2002 Single user licence only Storage, distribution or use on network prohibited shall be earthed by a conductor, with a cross-sectional area not less than the main neutral conductor, connected to the — (i) main neutral conductor or bar; or (ii) main earthing terminal/connection or bar NOTE: Clause 5.6.5.2 requires the size of the MEN link to be not less than the cross-sectional area of the main neutral conductor AMDT No SEPT 2001 AMDT No SEPT 2001 Page 165 Clause 6.3.3.2.2 Delete the second Paragraph and insert the following: The resistance of the main earthing conductor or any equipotential bonding conductor shall be not more than 0.5 Ω Page 168 Clause 7.1.1 Delete existing NOTE and insert the following: NOTES: For locations containing baths for medical treatment, special requirements may be necessary Electrical equipment installed behind a fixed panel to which access may only be gained by the use of a tool would not be considered to be in a classified zone AMDT No SEPT 2001 Page 168 Clause 7.1.2.1 Delete Item b (iii) and insert the following: (iii) floor and the ceiling or the horizontal plane 2.5 m above the floor, whichever is the lower Delete Item c (ii) and insert the following: (ii) floor and the ceiling or the horizontal plane 2.5 m above the floor, whichever is the lower Delete Items d (ii) and (iii) including the NOTE and insert the following: (ii) the floor and the ceiling or the horizontal plane 2.5 m above the floor, whichever is the lower Licensed to LUU MINH LUAN on 25 Feb 2002 Single user licence only Storage, distribution or use on network prohibited NOTE: The zones not extend beyond the boundaries of the room AMDT No SEPT 2001 Page 169 Clause 7.1.2.2 Zone shall be — AMDT No SEPT 2001 Item (b); delete the first line and insert the following: Delete Item (c) and the NOTES and insert new NOTES as follows: NOTES: There are no Zones and associated with these water containers The zones not extend beyond the boundaries of the room Page 169 Clause 7.1.4.1 Delete Items (b), (c) and (d) and insert the following: (b) In Zones and 2: IPX5 in communal baths/showers; IPX4 in other locations (c) In Zone 3: IPX5 in communal baths/showers; no specific degree of protection in other locations AMDT No SEPT 2001 Page 170 Clause 7.1.4.2 Delete the Clause and insert the following: 7.1.4.2 Socket-outlets Socket-outlets shall not be installed within 0.3 m of the floor of a bathroom, laundry or other similar location where the floor is likely to become wet In addition, and not withstanding the degree of protection required, the following conditions shall apply to the installation of socket-outlets in the classified zones: (a) (b) In Zones and socket-outlets shall not be permitted In Zone 2, socket-outlets shall not be permitted unless they— (i) are protected by a residual-current device with a maximum rated residual current of 30 mA; and Licensed to LUU MINH LUAN on 25 Feb 2002 Single user licence only Storage, distribution or use on network prohibited (ii) are enclosed in a cupboard provided that the enclosure is maintained during the normal operation of the connected equipment; or (iii) have automatic switching and are incorporated in a shaver supply unit complying with AS/NZS 3194 (c) In Zone 3, socket-outlets shall not be permitted unless they are — (i) protected by a residual-current device with a maximum rated residual current of 30 mA; or (ii) supplied individually as a separated circuit in accordance with Clause 1.7.4.5; or (iii) supplied as an SELV or PELV system in accordance with Clause 7.7 AMDT No SEPT 2001 Page 170 Clause 7.1.4.3 Delete the Clause and insert the following: 7.1.4.3 Switches and other accessories Switches and other accessories shall not be installed within 0.3 m of the floor of a bathroom, laundry or other place where the floor is likely to become wet In addition the following conditions shall apply to the installation of switches and other accessories in the classified zones: (a) (b) In Zone 0, switches and other accessories shall not be permitted In Zones and 2, switches and other accessories with at least the required degree of protection shall be permitted AMDT No SEPT 2001 AMDT No SEPT 2001 Licensed to LUU MINH LUAN on 25 Feb 2002 Single user licence only Storage, distribution or use on network prohibited AMDT No SEPT 2001 AMDT No SEPT 2001 AMDT No SEPT 2001 AMDT No SEPT 2001 AMDT No SEPT 2001 AMDT No SEPT 2001 Page 170 Clause 7.1.4.4 Delete Item (b) and insert the following: (b) In Zones 1, and 3, electrical equipment with at least the required degree of protection shall be permitted Page 172 FIGURE 7.1A (in part) BATHS AND SHOWERS, ZONE DIMENSIONS PART I — BATHS Delete Figure and insert new Figure 7.1A (in part) BATHS AND SHOWERS, ZONE DIMENSIONS PART I — BATHS (see attached) Page 173 FIGURE 7.1A (in part) BATHS AND SHOWERS, ZONE DIMENSIONS PART II — SHOWER WITH A BASE Delete Figure and insert new Figure 7.1A (in part) BATHS AND SHOWERS, ZONE DIMENSIONS PART II — SHOWER WITH A BASE (see attached) Page 174 FIGURE 7.1A (in part) BATHS AND SHOWERS, ZONE DIMENSIONS PART III — SHOWER WITHOUT A BASE Delete Figure and insert new Figure 7.1A (in part) BATHS AND SHOWERS, ZONE DIMENSIONS PART III — SHOWER WITHOUT A BASE (see attached) Page 175 FIGURE 7.1B (in part) BATHS AND SHOWERS, ZONE DIMENSIONS (PLAN) Delete Figure and insert new Figure 7.1B (in part) BATHS AND SHOWERS, ZONE DIMENSIONS (PLAN) (see attached) Page 176 FIGURE 7.1B (in part) BATHS AND SHOWERS, ZONE DIMENSIONS (PLAN) Delete Figure and insert new Figure 7.1B (in part) BATHS AND SHOWERS, ZONE DIMENSIONS (PLAN) (see attached) Page 177 FIGURE 7.1C BATHS AND SHOWERS, ZONE DIMENSIONS (ELEVATION) Delete Figure and insert new Figure 7.1C BATHS AND SHOWERS, ZONE DIMENSIONS (ELEVATION) (see attached) Page 178 FIGURE 7.1D FIXED WATER CONTAINERS OTHER THAN BATHS AND SHOWERS, ZONE DIMENSIONS Delete Figure and insert new Figure 7.1D FIXED WATER CONTAINERS OTHER THAN BATHS AND SHOWERS, ZONE DIMENSIONS (see attached) Licensed to LUU MINH LUAN on 25 Feb 2002 Single user licence only Storage, distribution or use on network prohibited AMDT No SEPT 2001 DIMENSIONS IN METRES FIGURE 7.1A (in part) BATHS AND SHOWERS, ZONE DIMENSIONS PART I — BATHS Licensed to LUU MINH LUAN on 25 Feb 2002 Single user licence only Storage, distribution or use on network prohibited AMDT No SEPT 2001 DIMENSIONS IN METRES FIGURE 7.1A (in part) BATHS AND SHOWERS, ZONE DIMENSIONS PART II — SHOWER WITH A BASE Licensed to LUU MINH LUAN on 25 Feb 2002 Single user licence only Storage, distribution or use on network prohibited AMDT No SEPT 2001 DIMENSIONS IN METRES FIGURE 7.1A (in part) BATHS AND SHOWERS, ZONE DIMENSIONS PART III — SHOWER WITHOUT A BASE Licensed to LUU MINH LUAN on 25 Feb 2002 Single user licence only Storage, distribution or use on network prohibited AMDT No SEPT 2001 DIMENSIONS IN METRES FIGURE 7.1B (in part) BATHS AND SHOWERS, ZONE DIMENSIONS (PLAN) Licensed to LUU MINH LUAN on 25 Feb 2002 Single user licence only Storage, distribution or use on network prohibited AMDT No SEPT 2001 DIMENSIONS IN METRES FIGURE 7.1B (in part) BATHS AND SHOWERS, ZONE DIMENSIONS (PLAN) Licensed to LUU MINH LUAN on 25 Feb 2002 Single user licence only Storage, distribution or use on network prohibited AMDT No SEPT 2001 DIMENSIONS IN METRES FIGURE 7.1C BATHS AND SHOWERS, ZONE DIMENSIONS (ELEVATION) Licensed to LUU MINH LUAN on 25 Feb 2002 Single user licence only Storage, distribution or use on network prohibited AMDT No SEPT 2001 DIMENSIONS IN METRES FIGURE 7.1D FIXED WATER CONTAINERS OTHER THAN BATHS AND SHOWERS, ZONE DIMENSIONS AMDT No SEPT 2001 Page 207 Clause 7.8.10.5.3 Delete Item (a)(vii) Renumber Item (a)(viii) as Item (a)(vii) Insert new Item (b)(iv) as follows: (iv) Bonding to the underground water piping systems as required by Clause 5.8.2.2 AMDT No SEPT 2001 Licensed to LUU MINH LUAN on 25 Feb 2002 Single user licence only Storage, distribution or use on network prohibited AMDT No SEPT 2001 AMDT No SEPT 2001 Page 212 Clause 7.9.1 Add the following NOTE: NOTE: An overview of this topic is contained in HB13 Page 212 Clause 7.9.2.1 Delete the second sentence and insert the following: The basic requirements and examples are outlined in AS 2430.1, AS/NZS 61241.3 and the AS/NZS 2430.3 series Page 212 Clause 7.9.2.2 Delete this Clause and insert the following: 7.9.2.2 Recognized hazardous areas Two general hazardous areas are recognized as follows: (a) Gas hazardous areas Gas hazardous areas are those in which flammable gases or vapours are or may be present in the area in sufficient quantities to produce an explosive gas atmosphere Within gas hazardous areas, three Zones (Zone 0, Zone 1, Zone 2) are recognized and they are defined in AS 2430.1 (b) Dust hazardous areas Dust hazardous areas are those areas which are hazardous because of the presence of combustible dust, fibres or flyings Within dust hazardous areas, three Zones (Zone 20, Zone 21, Zone 22) are recognized and they are defined in AS/NZS 61241.3 AMDT No SEPT 2001 Page 222 Clause 7.10.9.2 Delete Paragraphs and and insert the following: 7.10.9.2 Overcurrent protection The overload characteristics of overcurrent protective devices provided on circuits supplying fire-pump motors shall — (a) have an inverse time characteristic; and (b) be rated, or in the case of circuit-breakers be set, to — (i) carry 125% of the full-load motor current continuously; and (ii) open the circuit in not less than 20 s at 600% of the full-load motor current Licensed to LUU MINH LUAN on 25 Feb 2002 Single user licence only Storage, distribution or use on network prohibited No other overload protective device shall be inserted between the pump motor controller and the motor AMDT No SEPT 2001 Page 222 Clause 7.10.9.4 Delete Item (c) and insert the following: (c) not be provided with overload protective devices other than those provided for the pump-motor circuit in accordance with Clause 7.10.9.2 AMDT No SEPT 2001 Page 225 APPENDIX A Delete the following in the appropriate place: AS 2926 Standard voltages — Alternating (50 Hz) and direct 3147 Approval and test specification — Electric cables — Thermoplastic insulated — For working voltages up to and including 0.6/1 kV 3560 Electric cables — XLPE insulated — Aerial bundled — For working voltages up to and including 0.6/1 kV AS/NZS 3116 Approval and test specification — Electric cables — Elastomer insulated — For working voltages up to and including 0.6/1 kV Insert the following in the appropriate place Licensed to LUU MINH LUAN on 25 Feb 2002 Single user licence only Storage, distribution or use on network prohibited AS 60038 Standard voltages AS/NZS 3194 Approval and test specification — Electric shaver supply units 3560 Electric cables—Cross-linked polyethylene insulated—Aerial bundled — For working voltages up to and including 0.6/1(1.2) kV 3560.1 Part 1: Aluminium conductors 5000 Electric cables — Polymeric insulated 5000.1 Part 1: For working voltages up to and including 0.6/1 kV 5000.2 Part 2: For working voltages up to and including 450/750 V 61241 Electrical apparatus for use in the presence of combustible dust 61241.3 Part 3: Classification of areas where combustible dusts are or may be present AMDT No SEPT 2001 AMDT No SEPT 2001 Page 238 APPENDIX B Paragraph B5.3 Add the following as a new NOTE 3 The maximum circuit lengths in Table B5.1 are related to a 0.4 s disconnection time Page 258 APPENDIX D Paragraph D2 Item (a); Delete the words ‘Table 3.10’ and insert ‘Table 3.9’ Item (b); Delete the words ‘Table 3.9’ and insert ‘Table 3.8’  .. .AS/ NZS 3000 /Amdt 1/2001-09-25 STANDARDS AUSTRALIA/STANDARDS NEW ZEALAND Amendment No to AS/ NZS 3000 :2000 Electrical installations (known as the Australian/New Zealand... 7.9.2.2 Recognized hazardous areas Two general hazardous areas are recognized as follows: (a) Gas hazardous areas Gas hazardous areas are those in which flammable gases or vapours are or may be... explosive gas atmosphere Within gas hazardous areas, three Zones (Zone 0, Zone 1, Zone 2) are recognized and they are defined in AS 2430.1 (b) Dust hazardous areas Dust hazardous areas are those areas