Switchboard

Label 2
Has a circular green reflective sign of at least 100mm in diameter and with the letter "PV", been placed on or immediately adjacent to the main metering panel and main switchboard, and readily visible to approaching emergency workers?

Applicable rating: Improvements identified (For information)

Label 21
On the green PV label at the main switchboard and main meter panel, are there additional letters under the PV to designate the following:

• AC For inverter with a calculated PV d.c. circuit maximum voltage less than 120V d.c. and the PV modules are within 1.5m for the inverter?
• DP Where a disconnection point is used as the isolation method?
• SW Where a load break disconnection device is used as the isolation method?

Applicable rating: Improvements identified (For information)

Label 3
Is there a Victorian label: "Warning - this premises contains an electricity generation system" installed at the main switchboard, any fire indicator panels and all switchboards that will be energised by that consumer’s electricity generation system?

Applicable rating: Improvements identified

Label 5
Where the inverter of the solar system is connected to a distribution board, is the following label present on the main switchboard and all intermediate distribution switchboards: “Warning Multiple Supplies Isolate Inverter Supply at Distribution Switchboard at …”?

Applicable rating: Improvements identified

Label 6
Where the inverter is connected to the main switchboard, is the grid supply main switch labelled “MAIN SWITCH (GRID) or (Mains) or (Normal)”?

Applicable rating: Improvements identified

Label 15
Where the inverter is connected to a distribution switchboard, is the grid supply main isolator labelled “MAIN ISOLATOR (GRID) or (Mains) or (Normal)”?

Applicable rating: Improvements identified

Label 7
Does the switchboard which the inverter is directly connected to contain the label "Multiple Supplies Isolate all Supplies before Working on this Switchboard”?

Applicable rating: Improvements identified

Label 8
Is there an AC circuit breaker in or adjacent to the switchboard for the system labelled “MAIN SWITCH (INVERTER)”?

Applicable rating: Improvements identified

Label 9
What is the size of the circuit breaker labelled “main switch inverter supply”?

Applicable rating: No rating is applied

Switchboard 10 ***UPDATED***
Is the AC cable and circuit breaker rated to at least the output current of the inverter?

Applicable rating: Needs rectification

Switchboard 11
Is the AC circuit breaker suitably sized to protect the cable supplying the inverter (taking into account summation of current from grid supply and supplementary supplies if applicable)?

Applicable rating: Improvements identified

AS/NZS 4777.1:2024 Clause 3.4.2

AS/NZS 3000:2018 Clause 2.5

Label 10
Where the inverter is not within 3m and in direct line of sight of the main switchboard, is the inverter location information provided (for example on the solar site plan)?

Applicable rating: Improvements identified (For information)

Switchboard 12
Where two inverter supplies are connected to a main switchboard or distribution board with other circuits and loads connected, are the inverter main switches grouped together?

Applicable rating: Improvements identified (For information)

Label 17
Where multiple IES are installed at one installation, does signage accurately reflect which device controls which item of equipment?

Applicable rating: Improvements identified (For information)

Label 19
Has solar system layout been provided at the main switchboard and/or meter box, fire panel and does it conform to these requirements:

• Ilegible and sufficiently durable for the location, for example, laminated or protected by solid clear sheet (Perspex etc)?
• Is fixed permanently in a manner appropriate for the location?
• Is written in English?
• Is labelled "PV (solar) site information" in white letters with a red background?
• Shows the location address as recorded for the installation?
• Contains a plan view of the building showing the location of the PCE, the PV array/s?
• Contains a legend for the map or clearly labelled to identify key components and building reference points?
• Identity's the location of the site information sign with the words "you are here"?
• Is as accurate as practicable when ensuring the various components on the drawing are indicative of the actual location?
• Installation date is marked on the plan?

Applicable rating: Improvements identified (For information)

Label 22
For PV d.c. systems, has the following information been included in the onsite plan:

• The path of d.c. cabling?
• The location of d.c. disconnection point/s indicated by "DP"?
• The location of additional load break disconnector/s?
• PV array size?
• d.c. Voltage?
• Contain a warning where d.c. disconnection type/s can only be operated by suitable qualified personnel?

Applicable rating: Improvements identified (For information)

Label 24
Have all switchboard conductor terminations associated with the solar installation been connected in a compliant manner?

Applicable rating: Improvements identified (For information)

Label 25
Do all labels and signs conform to these requirements:

• Are durable and designed for the service lifetime of the system?
• Are constructed of appropriate materials suitable for the location?
• Are fixed in a matter appropriate for the location?
• Are written in English?
• Are legible and the letter sizing is appropriate for the location?
• Are indelible (cannot be removed)?
• Are visible when applicable?

Applicable rating: Improvements identified (For information)

Switchboard 13
Are there no more than 2 inverter main switches connected to any 1 switchboard with attached loads?

Applicable rating: Improvements identified

Switchboard 14 - Solar for Apartments
If any solar associated cables pass through un-metered portions or behind meter panels, are the cables fully enclosed in conduit, and positioned in the lower corner of the enclosure to separate from other conductors?

Applicable rating: Improvements identified

Switchboard 15 - Solar for Apartments
Have all penetrations to switchboards maintained the designed separation "Form" of the switchboard.

Applicable rating: Improvements identified

Switchboard 16 ***NEW*** - Solar Homes and Solar for Apartments
Has the outgoing inverter neutral conductor been provided with its own terminal in the neutral bar?

Applicable rating: Needs rectification

Switchboard 17 ***NEW*** - Solar Homes and Solar for Apartments
Has the outgoing inverter neutral been marked or arranged to identify the corresponding active connection?

Applicable rating: Improvements identified (For information)