Ocean to Outback · WA EC16326
Sub Mains in Mundaring
On Mundaring's rural residential blocks, the shed, pump or granny flat is often a long way from the main switchboard, and the sub main has to be sized for that run. OTOLEC installs sub mains in Mundaring, around 15 km from our Chidlow base.
Licensed electrical contractor
WA EC16326
Locally based
Chidlow, Perth Hills
Metro & rural WA
Homes, business, farms
Emergency callouts
Free quotes
No obligation
What's included
- Assessment of the main switchboard, the route and the load at the far end
- Cable sizing for the distance and equipment
- A sub-board at the new building, with the required protection
- Lodging the required notices (adding or upgrading a sub main is notifiable work in WA) and an Electrical Safety Certificate
- Testing at both ends
Sub mains in Mundaring
The Shire of Mundaring allows larger outbuildings on rural residential lots, with limits stepping up with lot size, and granny flats of up to 70 m² (80 m² for accessible designs). Long runs to these buildings need careful cable sizing, and WA's electrical requirements recommend underground sub mains on rural overhead supplies. Before digging for sub mains in Mundaring, check for underground services at byda.com.au.
Ready to talk through your job?
How it works
01
Call or request a quote
Start with a call or your contact details. We discuss the service, your location and the work involved. Quotes are free and without obligation; urgent electrical concerns should always be raised by phone.
02
Arrange a visit
Confirm availability, access and what needs assessment. Mention equipment, planned changes and any constraints that affect attendance. We'll arrange a time that suits you.
03
Agree the work
The existing installation and proposed scope are assessed before the work proceeds. Discuss any changes to the requirements so the job reflects your property and the electrical work that is actually needed.
04
Tidy up and test
Completion includes attention to the work area and testing of the electrical work performed. Ask any questions about the installed fittings, controls or repair before considering the job complete.
Our service area
Around Mundaring
Mundaring is around 15 km from our Chidlow base. We also take enquiries from Sawyers Valley, Parkerville, Stoneville. Share the property location and access requirements when discussing attendance. OTOLEC services metro and rural WA.
All electrical services in Mundaring · Sub mains across the Perth Hills
Your questions answered
Do I need a licensed electrician for a sub main to my shed?
Yes. All electrical work in WA must be done by a licensed electrical worker, and adding or upgrading a sub main is notifiable work. OTOLEC holds WA Electrical Contractor Licence EC16326.
Can my neighbour and I share a bore pump?
WA rules allow a shared pump to be supplied from either property, but only one supply may serve it at a time, a changeover-switch arrangement isn't acceptable, and a lockable isolating switch must sit next to the pump. A sub mains electrician can set this up correctly.
Do you travel to Mundaring for sub mains?
Yes. We take enquiries from across Shire of Mundaring, and Mundaring is around 15 km from our Chidlow base. Share the property location and access details by phone or email so attendance can be discussed.
More electrical help in Mundaring
Need a hand with your electrical?
Let’s talk about your job.
Call 0435 591 549Emergency and after-hours callouts: call to confirm availability.
- Licensed WA EC16326
- Fast, local response
- Obligation-free quotes