Solar panels and home and business batteries are going in everywhere. They change how a building behaves in an emergency: a building with solar can still have live parts even when the grid supply is switched off. That's why solar and battery installations come with their own warning signs, aimed at electricians, firefighters and anyone working on the switchboard.
Signage for solar PV and battery systems is set by electrical standards and rules, such as AS/NZS 5033 for PV arrays and the standards for inverters and battery systems, plus your network provider's requirements. Your licensed electrician or solar installer is responsible for the signs required on an installation. This guide is general information.
1. Solar PV signs
- Danger: solar PV array, live DC voltage
- Warning: dual supply, solar PV system: at the switchboard, so anyone isolating power knows there's a second source.
- Solar inverter room or location sign.
2. Battery energy storage
Our lithium battery and BESS signage guide covers battery rooms, e-bike and scooter charging and lithium battery storage in more detail.
3. Switchboards and switch rooms
- Main switchboard and Main switch room
- Main switchboard: authorised personnel only
- Main switchboard located in B1: a direction sign for basements.
- Danger: 415 volts, isolate before opening
See our switchboard room signs guide and the Electrical Switch Room Sign Pack.
4. EV chargers
Many solar and battery installs now include EV charging. See our EV charging bay signs guide.
Material tips
Switchboard and inverter signs are often fixed to metal enclosures and painted walls. Self-adhesive vinyl or ACP with adhesive backing is quick and neat. For outdoor arrays and battery enclosures, choose UV-stable aluminium or ACP.
Frequently asked questions
Can electricians order in bulk?
Yes. Buy 25 or more of the same sign to save an extra 5%, 50+ to save 10%, or 150+ to save 15%, applied automatically. Every sign is made to order and dispatched in 2–3 business days, and shipping is free on orders over $500.
Which signs does my installation need?
Your licensed electrician or installer will know the requirements for your system, network and state.
Looking for something else? Browse every guide in our Sign Guide Library.