Level 2 Authorised Service Provider
Power Connection Specialists
Established Since 2009
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Underground Connections Built The Right Way
Underground service lines can be a great option when a property needs a cleaner look or a more protected power supply. At SRB Electrical Contracting, we provide Class 2B underground service line installation, connection, disconnection and reconnection for homeowners, business owners and builders in Gosford and across the wider Central Coast. This work may be needed for new builds, renovations, knockdowns, property upgrades, supply changes, private infrastructure works or projects where overhead lines are not the right fit.
Our underground service line work covers the installation of conduit, cabling, cable pits and pillars, giving your property a protected and reliable connection from the network. Each installation is planned around your site conditions, so cabling is run safely and pits and pillars are positioned for easy access when needed.
Because underground service lines connect a property to the electrical network, the work must be completed by an authorised Level 2 electrician with the right accreditation. We help make the process easier to understand, from planning the underground supply through to connection or reconnection. To arrange underground service line work, call 0410 576 508 today.
What is a Class 2B underground service line?
A Class 2B underground service line is the underground electrical supply connection between the electricity network and a property. Instead of power being supplied through overhead lines, the service line is installed below ground. This can create a cleaner appearance, reduce exposure to weather and suit properties where overhead access is not practical or preferred.
Because underground service lines form part of the property’s main electrical supply, they need to be installed, connected, disconnected or reconnected by an accredited Level 2 electrician authorised to complete Class 2B work. The job can involve planning the cable route, considering site access, coordinating with other works and making sure the installation meets the required standards.
When do you need a service line disconnected?
A service line may need to be disconnected when power must be safely isolated before building, repair or upgrade work takes place. This can include major renovations, knockdowns, property extensions, switchboard upgrades, private power pole work, overhead supply changes or situations where electrical infrastructure may be affected by other trades.
Disconnecting the service line helps protect people working on or around the property. It also helps avoid unsafe contact with live electrical supply equipment. The exact requirements can depend on the type of property, the work being completed and how the electricity supply is connected.
Who can disconnect and reconnect a service line?
Underground service line connections generally need to be completed by an authorised Level 2 electrician accredited for Class 2B work. A standard electrician may be able to complete internal wiring and general electrical tasks, but the connection, disconnection and reconnection of underground service lines usually requires specific Level 2 authorisation.
This is because the work involves the electrical supply connection to the property and must meet network and safety requirements. Using the right provider helps ensure the work is completed correctly and reduces the risk of delays during new builds, upgrades or property connection changes.
Class 2B Underground Works
Because underground supply is installed below ground, the planning needs to be right from the start. We look at the cable route, site conditions, access and connection requirements so the work can be positioned and managed properly. Class 2B underground service line work is different from general electrical work, as it deals with the incoming supply to the property and needs authorised Level 2 support. Done properly, it can help reduce future access issues and create a neater, more practical power setup.
Services may include:
- Underground service line installation
- Underground service line connection
- Underground service line disconnection
- Underground service line reconnection
- New underground power supplies
- Supply upgrades for existing properties
- Supply changes and alterations
- Authorised Level 2 electrical work
Underground service line projects often involve a few moving parts, from excavation and site access to other trades working around the property. We help plan and complete the authorised connection work properly, keeping the process clear, safe and organised from the early stages through to final connection.




