WHS Regulations

Your WHS Electrical Safety Obligations — What Australian Businesses Need to Know

Australian Work Health and Safety (WHS) legislation places a clear duty of care on every employer — and every Person Conducting a Business or Undertaking (PCBU) — to ensure the workplace is safe under the Work Health and Safety (WHS) Act. When it comes to electrical safety, that obligation includes the inspection, testing, and maintenance of portable electrical equipment used by workers and residual current devices (RCDs/safety switches) used in the workplace.

This page explains how the harmonised WHS Regulations apply to electrical safety, what the specific requirements are for testing and tagging, how RCDs fit in, and what “hostile environment” means for your business. It also covers the key differences between states and territories — because while most of Australia operates under the same harmonised framework, the details vary and it’s important to get them right.

If you just want to know whether your business needs test and tag and how often — jump to our testing intervals guide or contact ATS for a free compliance assessment.

What the Model WHS Regulations Require for Electrical Equipment

The model WHS Regulations are specific about electrical equipment safety. Here’s what they say in plain terms:

Hostile environments — mandatory test and tag All portable electrical equipment used in a hostile operating environment must be inspected, tested, and tagged regularly by a competent person, and a record must be maintained. This is not optional. In practice, this covers a much wider range of workplaces than many businesses realise — including office kitchens and tea rooms, training rooms, manufacturing floors, and any environment with leads on the floor.

Non-hostile environments — risk assessment required Equipment not located in a hostile environment must still be the subject of a documented risk assessment. That risk assessment may well recommend testing and tagging — and in most cases, it does. A risk assessment that rules out testing entirely needs to be robust and documented.

RCD requirements — all circuits in hostile environments The model WHS Regulations require that all circuits in a hostile environment be protected by a Residual Current Device (RCD). The RCD can be fixed in the switchboard or as part of the socket outlet. Regular testing of RCDs is also required in accordance with AS/NZS 3760:2022.

Who can perform the testing? The regulations require testing to be performed by a “competent person” — someone with the knowledge, training, and experience to carry out the tests safely and accurately. ATS technicians are trained to the requirements of AS/NZS 3760:2022 and use calibrated equipment on every job.

What Is a “Hostile Environment”?

A hostile environment is defined as one where electrical equipment is moves regularly and more likely to be damaged or to develop a fault that could cause harm.

A hostile environment is defined as one where equipment is exposed to:

• Moisture (including kitchens, tea rooms, outdoor areas)
• Heat
• Vibration or mechanical damage
• Corrosive chemicals
• Dust

Hostile environments include:

• Construction and demolition sites
• Manufacturing, processing and mining operations
• Kitchens and food preparation areas
• Outdoor work environments
• Anywhere equipment may be exposed to moisture, heat, vibration or physical damage

In hostile environments, test and tag is mandatory. In non-hostile environments (areas of offices, retail, etc.), a documented risk assessment is required — and test and tag is the standard method of managing the identified electrical risk via 5 yearly test and tag.

What Must Be Tested?

Any portable electrical equipment connected to mains power via a plug must be considered for testing. This includes:

• Power tools and hand tools
• Extension leads and power boards
• Office equipment — computers, monitors, printers
• Kitchen appliances — kettles, microwaves, toasters
• Portable heaters, fans and air purifiers
• Cleaning equipment — vacuums, floor polishers
• Audio/visual and presentation equipment

Fixed equipment (hardwired to the building) is not subject to test and tag under AS/NZS 3760, but may be subject to other inspection requirements.

RCD (Safety Switch) Testing Regulations

Model WHS regulations state all businesses operating in a hostile environment – an environment where equipment is moved between locations, where equipment is frequently moved within the location, where damage to equipment is likely or is in connection with an amusement device –  must have RCD’s protecting all hostile circuits and must be tested regularly in accordance with AS/NZS 3760:2022. 

Whilst QLD have enacted the model WHS Act and Regulations, the QLD Electrical Safety Act and Regulations take precedence in that State.  

Check more information about Test and Tag and Electrical Safety

QLD Electrical Safety Regulations

The QLD Electrical Safety regulations are based on 6 classes of work and take precedence over the Workplace Health and Safety regulations.

Please refer the detailed guide to the QLD Electrical Safety regulations here.

Penalties for Non-Compliance

Non-compliance with WHS electrical safety obligations is not a grey area. Regulators take electrical safety seriously, and the consequences of non-compliance range from financial penalties through to criminal liability.

• Fines and improvement notices from the relevant WHS regulator
• Prosecution of the business and/or individual managers for WHS breaches
• Voided insurance claims — many insurance policies require evidence of compliance
• Legal liability in the event of a workplace electrical injury or fatality

The cost of compliance is small compared to the cost of non-compliance. A professional test and tag program from ATS costs a fraction of what a single regulatory action, insurance dispute, or workplace injury claim could cost your business.

Get a free compliance assessment from ATS.

How ATS Helps You Stay Compliant

ATS provides test and tag, RCD testing, exit light testing and fire protection services nationally — all delivered to the relevant Australian Standards and documented digitally through our AIM Portal. Our automated reminder service ensures you never miss a retest date.

Frequently Asked Questions

What is the difference between WHS Regulations and AS/NZS 3760:2022? The WHS Regulations are the legal framework — they establish the obligation to test and maintain electrical equipment. AS/NZS 3760:2022 is the Australian Standard that specifies how that testing must be conducted — the tests required, the intervals, the record-keeping, and the competency requirements. The WHS Regulations refer to the standard for guidance on implementation. In short: the regulations say you must; the standard says how.

Does my office need test and tag if it’s not a hostile environment? Possibly. Even in a non-hostile environment, the WHS Regulations require a documented risk assessment of electrical equipment. In many offices, equipment like power boards, extension leads, and kitchen appliances are used in conditions that meet the definition of a hostile environment — meaning test and tag is mandatory. For items genuinely outside a hostile environment, a documented risk assessment is still required and should be reviewed regularly.

My state hasn’t adopted the harmonised WHS laws — do I still need to comply? If you’re in Victoria, the harmonised model WHS Act doesn’t apply — but the Occupational Health and Safety Act 2004 (Vic) and Electrical Safety Act 1998 (Vic) still impose equivalent duties. Victoria has its own specific testing requirements, enforced by WorkSafe Victoria. The duty to maintain safe electrical equipment exists in every jurisdiction.

What is a PCBU and why does it matter? PCBU stands for “Person Conducting a Business or Undertaking.” The WHS Act places the primary duty of care on the PCBU — which is usually the business owner, employer, or company. The PCBU is ultimately responsible for ensuring WHS compliance, even if day-to-day management is delegated to a manager or safety officer. If something goes wrong, the PCBU is accountable.

Do I need a written risk assessment even if I do test and tag? A documented risk assessment is good practice regardless. If you operate in a hostile environment where test and tag is mandatory, your records of testing serve as part of your compliance documentation. For non-hostile environments, a written risk assessment explaining why testing is or isn’t required provides an important layer of protection in the event of a WHS inspection or incident investigation.

What is a hostile environment under the WHS Regulations? A hostile environment is one where electrical equipment is exposed to conditions likely to damage it or reduce its lifespan — specifically: moisture, heat, vibration, mechanical damage, corrosive chemicals, or dust. The definition is broader than many people expect. Office kitchens, tea rooms, training rooms (laptops and leads on the floor), outdoor areas, and any manufacturing or workshop environment all typically qualify.

How often must equipment in a hostile environment be tested? Testing frequency is determined by AS/NZS 3760:2022 and varies by environment type. As a general guide: construction sites every 3 months, manufacturing and workshop environments every 6 months, hostile environments in other sectors (hospitality, healthcare, office kitchens) typically every 12 months. Download ATS’s free Testing Intervals guide.

Does the WHS legislation cover RCDs as well as test and tag? Yes. The model WHS Regulations require all circuits in a hostile environment to be protected by an RCD. The RCD must also be tested regularly in accordance with AS/NZS 3760:2022. ATS provides both test and tag and RCD testing services, ensuring full compliance with both requirements in a single visit wherever possible.