PV MODULE EARTHING
It is especially important that PV frame earthig is provided when using NON-ISOLATED 'transformer-lessâ€™ INVERTERS.
EARTH LAY-IN LUGS
PART #: 276L1L485
- Copper Lay-in Grounding Lug
- Tin Plated
- Stainless Steel (M5 x 20mm) Bolt & Nut
- Star Washer
- 14-4 AWG conductor
- Stainless screws suitable for direct burial/outdoor use
- Ideal for continuous grounding for solar PV panels
- Corrosion resistant
- UL Certification
Non-isolated inverters operate at high frequency.There will be an a.c. component on the d.c. supply.
This is capacitively coupled to the module frames producing an a.c. voltage. While not likely to be
lethal, this electrostatic charge, if not depleted by earthing, could be enough to frighten and possibly
cause a person to fall off the roof.
Tech Info Nov 2010 CEC1
TOWARDS A MEANINGFUL STANDARD FOR PV ARRAY INSTALLATION IN AUSTRALIA