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Comprehensive Overview of Electricity Regulations and Safety Standards for Construction Sites

This document provides a detailed examination of the Electricity Act 1992 and its amendments, along with relevant AS/NZS standards, such as AS/NZS 3000, AS/NZS 3760, and AS/NZS 3012. It outlines essential safety protocols for electrical installations in construction and demolition sites. Key points discussed include circuit protection with RCDs, flexible cord specifications, mechanical protection for cables, and visual inspections prior to servicing. This guide ensures compliance to enhance electrical safety and operational integrity on-site.

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Comprehensive Overview of Electricity Regulations and Safety Standards for Construction Sites

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  1. Legislation Electricity Act 1992 plus amendments Electricity Regulations 2003 • AS/NZS 3000 wiring rules • AS/NZS 3760: 2003 Inservice Safety Insp. & test. • AS/ NZS 3012:2003 Con. & Demo sites.

  2. ElectricityRegulations Reg. 76(B) – AS/NZS 3760:2003 Inservice Safety Inspection & testing Electrical Equipment Reg. 69(B)(d) – AS/NZS 3012:2003 Electrical installations – Construction & demolition sites.

  3. Standard AS/NZS 3012:2003 Applies to all construction & demolition sites.

  4. Key points - AS/NZS 3012:2003 • Support of cables entering switchboards –’flexible’. • All final sub-circuits protected by 30mA RCD’s. • Construction wiring must be separate to perm wiring. • Minimum flexible cord size 1.00mm2 • Leads – Protect from mechanical damage. • – Supported off the floor.

  5. Lighting Festoon lamps • Lampholder permanently moulded to cable. • Non-conductive, mechanical guard. • Supported at least 2.5m from the floor.

  6. Lighting - portable Portable lamps Must have a rating of IP2X or higher.

  7. Inspections • Prior to initial service • Where new, supplier to test & tag. • Before return to service after servicing or repair. • Can use an individual tag or register. • Competent person can carry out testing & tagging. • Only a registered person with a current practicing license can carry out electrical repairs. Testing & Tagging

  8. Testing & Tagging Table 2 • 3 Monthly – Portable equipment. • RCD’s – trip test daily before use. (portable gear) – monthly (fixed). • RCD’s testing every: – 3 months portable. – 12 months fixed.

  9. Testing & Tagging Sheds & switchboards. Require Certificate of compliance on completion of installation.

  10. Testing & Tagging - continued • Testing & tagging – visual inspections. • All electrical devices made to AS/NZS 3105 do not comply with AS/NZS 3012:2003.

  11. Testing & Tagging - continued Compliance Plug boxes • Jackson(comply) • PDL(comply) • Others do not currently comply with AS/NZS 2012. (domestic plug boxes)

  12. Thank You

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