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Electrical Safety and Usage Disclaimer
Electrical Safety and Usage Disclaimer
All electrical products supplied by WCTNZ® must be installed, connected, and operated in accordance with New Zealand electrical safety standards and the product’s rated electrical specifications.
This includes 220–240V AC systems and Extra Low Voltage (ELV) systems, including systems operating at or below 50V AC / 120V DC, such as 12–48V DC equipment.
Important electrical safety note
Electrical products must be used only with compatible, stable, and correctly protected power sources. Electrical faults caused by unsuitable supply, incorrect installation, incompatible inverter output, poor protection, incorrect voltage, or unauthorised modification may not be covered under warranty.
WCTNZ® does not design, certify, or install power systems
WCTNZ® supplies products that may include electrical or extra-low-voltage components. WCTNZ® does not design, certify, install, or sign off customer power systems, inverter systems, household wiring, off-grid electrical systems, or DC supply systems.
WCTNZ® accepts no liability for damage, malfunction, injury, fire, or loss resulting from the following:
Installation or servicing by unqualified persons
Use with incompatible or unstable power sources, including non-pure sine wave inverters, low-quality DC supplies, or incorrect voltage/frequency
Modifications to wiring, terminals, or internal components
Failure to implement adequate electrical protection, including RCDs, MCBs, fuses, or DC-rated protection
Lack of proper earthing for AC systems, or isolation/protection for ELV systems
Use outside the product’s rated electrical specifications
Off-grid Power Systems still need compliant electrical design
Off-grid power does not remove electrical risk. AC products must be powered by a compatible, stable, pure sine wave inverter system with suitable voltage, frequency, protection, earthing, and installation verification.
AC products must be powered by pure sine wave inverters with less than 5% Total Harmonic Distortion (THD)
Non-compliant inverters may cause overheating, electrical noise, inefficiency, or early failure
Damage from incompatible or unstable inverter supply is not covered under warranty
Electrical installation and verification requirements
AC installations, whether grid-connected or off-grid, must be carried out or verified by a licensed electrician
AC installation verification should include appropriate testing upon installation
ELV systems should be installed by a qualified technician or electrician in accordance with local regulations and good practice
Products must be installed and operated in accordance with applicable New Zealand electrical safety standards, including AS/NZS 3000 and AS/NZS 3820 where relevant
The purchaser must ensure the power supply is suitable
It is the customer’s responsibility to ensure the electrical supply, installation method, and protective devices are suitable for the product being used.
The power supply must be electrically compatible with the product
The system must be installed and maintained in compliance with applicable New Zealand standards
Electrical faults arising from an unsuitable or unstable power supply are not covered under warranty
Need clarification before installation?
Contact WCTNZ® before installation if you are unsure whether a product is AC, ELV, off-grid compatible, or requires specific installation verification.
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