If you live in Perth, you may have seen a special type of lock fitted to a meter box, gate or other utility access point and wondered what it is. These are commonly known as WAS locks, short for Western Australian Services locks.
Unlike a standard padlock, a WAS lock is designed to provide security while still allowing authorised utility personnel to access essential service equipment when required. This makes WAS locks particularly useful for properties where a meter box or service equipment needs to remain locked but accessible to authorised workers.
For homeowners, landlords, businesses and property managers across Perth, understanding where WAS locks are used can help prevent access problems and keep utility equipment properly secured.
What Is a WAS Lock?
A WAS lock is an approved locking system used in Western Australia for securing certain utility service areas while allowing authorised service providers to gain access with an appropriate master key.
Western Power states that where a meter box or access way is locked, it needs to use an approved Western Power master-key lock. Western Power also confirms that approved Western Australian Services (WAS) locks can be purchased through licensed security suppliers, hardware stores and locksmiths.
The important difference between a WAS lock and an ordinary private lock is controlled access. A homeowner can secure the meter box, but authorised network personnel can still access the equipment when necessary.
This is especially important because meter boxes can contain electrical equipment such as meters, main switches, fuses and circuit breakers.
Where Are WAS Locks Used in Perth?
WAS locks are most commonly associated with meter boxes and utility service access. They can be useful in many Perth properties, including:
- Residential homes
- Rental properties
- Units and apartments
- Commercial buildings
- Industrial properties
- Properties where meter boxes are behind gates
- Meter boxes located in secured external areas
- Utility service enclosures
- Some gates or access points protecting utility equipment
Western Power’s current metering guidance states that a meter must remain accessible and that an approved master-key locking system should be used when a meter box or access way is locked.
This means WAS locks are not simply another type of household door lock. Their main purpose is to balance security with authorised utility access.
Why Do Perth Properties Need WAS Locks?
A meter box should be protected from unauthorised access, but it also needs to remain accessible to authorised workers.
A standard private padlock can create a problem because a utility technician may not have the customer’s private key. Western Power specifically states that it does not accept private customer keys for meter-box access.
A suitable master-key locking system provides a practical solution.
For example, if a meter box is located behind a locked gate, using an approved locking arrangement can help ensure authorised network personnel can reach the meter without requiring the homeowner to be present.
Western Power also explains that if a meter cannot be accessed because it is behind a private lock, fence or locked gate, the meter may not be read and a skipped-read card may be left at the property.
WAS Locks and Western Power Meter Boxes
One of the most common applications for WAS locks in Perth is the Western Power meter box.
Western Power explains that meter boxes contain important electrical components and recommends keeping them secure. It also states that approved WAS locks are available from licensed security suppliers, hardware stores and locksmiths.
The locking arrangement becomes particularly important when the meter box is positioned somewhere that cannot be freely accessed from the street.
For example, a Perth home may have its meter box:
- Behind a front gate
- Inside a secured external enclosure
- Behind a property access point
- In a location protected by a lockable cabinet
- In a commercial or shared service area
In these situations, the correct approved locking system can help maintain both security and utility access.
Can a WAS Lock Be Used on a Gate?
In some situations, WAS-compatible locking arrangements can also be used where a gate restricts access to utility equipment.
However, the purpose should be considered carefully. A WAS lock is primarily associated with providing authorised access to utility services rather than simply replacing an ordinary gate lock.
If your meter box is located behind a locked gate, it is worth checking the access requirements before choosing or installing a lock.
The Western Australian Service and Installation Requirements state that network metering equipment and service protection devices need clear, unimpeded access for network operator and first-response emergency personnel.
WAS Locks for Homes and Rental Properties in Perth
For homeowners and landlords, a WAS lock can be useful when securing a meter box without preventing authorised access.
This can be particularly relevant for rental properties because tenants may not always be available when utility personnel need access.
A suitable approved lock can help reduce unnecessary access issues while keeping the meter box secured.
Property managers and landlords should also make sure that the area around the meter remains clear. Western Power advises that meter access should not be obstructed by vegetation, gates, fences or other barriers.
WAS Locks for Commercial Properties
Commercial properties can have more complicated access arrangements than residential homes.
Shops, offices, warehouses, apartment buildings and other commercial sites may have electrical equipment located within secured areas. In these situations, access requirements need to be considered when choosing a locking system.
Western Power’s service and installation requirements specify that where metering equipment is located within a locked cabinet, enclosure or cubicle, an approved network operator master locking system must be fitted so network personnel can access the metering equipment and service protection device.
For commercial property owners, this makes the choice of lock more than a simple security decision. The lock needs to work with the access requirements of the relevant network operator.
Can a Locksmith Install a WAS Lock?
Yes. Approved WAS locks are available through licensed locksmiths and security suppliers.
If you are replacing an old meter-box lock, installing a lock on a previously unsecured meter box or dealing with an access problem, a professional locksmith can inspect the existing setup and determine what type of approved locking arrangement is appropriate.
Sheehan Locksmiths Perth provides locksmith and security services across Perth and can assist with lock installation, lock replacement, repairs and security upgrades.
Before installing any lock around electrical equipment, it is important to remember that locksmith work and electrical work are different jobs. If the meter box itself, wiring, switchboard or electrical components require attention, a licensed electrician should handle the electrical work.
What If Your WAS Lock Is Broken or Stuck?
A damaged or seized WAS lock should not simply be replaced with an ordinary private lock.
If the lock is difficult to operate, the key has been lost or the mechanism is damaged, a locksmith can assess the lock and recommend a suitable replacement.
The correct solution depends on the lock type, the meter-box design and the access requirements at the property.
If the meter box is inaccessible because of a damaged lock, resolving the issue promptly can help prevent problems when utility personnel need to inspect, read, maintain or replace equipment.
WAS Locks Across Perth
WAS locks can be relevant throughout the Perth metropolitan area, including Perth CBD, East Perth, West Perth, South Perth, Victoria Park, Subiaco, Leederville, Mount Lawley, Scarborough, Bayswater, Morley, Balcatta, Nollamara, Cannington, Canning Vale, Willetton, Gosnells, Armadale, Joondalup, Wanneroo, Ellenbrook, Midland, Malaga and surrounding suburbs.
The exact lock required depends on the property and the equipment being secured. A professional assessment is useful where a meter box is behind a gate, enclosed or fitted with an older locking mechanism.
WAS Locks vs Standard Locks
The main difference is access control.
A standard private lock generally allows access only to people who have the key. A WAS or approved network master-key locking arrangement is intended to secure the equipment while allowing authorised utility personnel to access it when necessary.
| Feature | Standard Private Lock | WAS / Approved Master-Key Lock |
| General security | Yes | Yes |
| Private key required | Usually | Customer access plus authorised master access |
| Utility access | May be restricted | Designed for authorised utility access |
| Common application | Doors, gates, sheds | Meter boxes and utility access |
| Suitable for locked meter access | Not necessarily | Where approved and appropriate |
The exact requirements can vary depending on the network operator and installation, so it is important to use an approved product rather than assuming any master-key padlock will meet the requirements.
Why Professional WAS Lock Installation Matters
A WAS lock may look similar to a conventional padlock, but its purpose is different.
Incorrectly securing a meter box can create access problems for utility personnel. Western Power’s guidance makes clear that meter access needs to remain safe and reasonably accessible.
A professional locksmith can check:
- The existing lock and hardware
- The meter-box door or enclosure
- Whether the lock is damaged or worn
- Whether the access point is behind a gate
- Whether an approved locking arrangement is required
- Whether the existing hardware needs modification or replacement
This can help avoid installing a lock that creates problems later.
Final Thoughts
WAS locks are a practical part of property security in Perth where utility equipment needs to remain protected while still being accessible to authorised service personnel.
They are most commonly associated with meter boxes and utility access points, particularly where a property has gates, fences or other security barriers.
If your Perth property has an old, damaged or unsuitable meter-box lock, it is worth checking the access requirements before replacing it. An approved WAS locking system may provide the right balance between protecting the equipment and maintaining authorised access.
For WAS lock installation, replacement, repairs and other locksmith services across Perth, Sheehan Locksmiths Perth can help assess the existing lock and recommend an appropriate solution.
Frequently Asked Questions
1. What does WAS stand for in a lock?
WAS stands for Western Australian Services. WAS locks are associated with approved locking arrangements that allow authorised utility personnel to access secured service equipment.
2. Where are WAS locks used in Perth?
They are most commonly used for meter boxes and utility service access, particularly where the equipment is located behind a gate, fence or other secured area.
3. Can I use a normal padlock on my meter box?
Not necessarily. Western Power states that a locked meter box should use an approved Western Power master-key lock. A private lock may prevent authorised personnel from accessing the meter.
4. Can a locksmith install a WAS lock?
Yes. Approved WAS locks can be obtained from licensed locksmiths and security suppliers. A locksmith can inspect the existing meter-box hardware and install an appropriate locking system.
5. What should I do if my WAS lock is broken?
Contact a licensed locksmith to inspect the lock and determine whether it can be repaired or needs replacement. If the issue involves electrical components inside the meter box, use a licensed electrician for the electrical work.


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