What should you always do before wiring a PV system?
Switch off all breakers and disconnectors.
Why is earthing important in PV systems?
It protects equipment and people from electric shock and lightning.
Why shouldn’t AC and DC cables share a conduit?
It’s unsafe — can cause heat buildup or short-circuits.
What’s a common tilt direction mistake made in Zambia?
Facing panels south instead of north — reduces efficiency.
Why is cleaning solar panels important
Dust and bird droppings reduce sunlight and power output.
What’s the danger of loose PV connections?
They cause heat buildup and possible fire.
How should batteries be installed?
In a cool, ventilated place with proper fuses and breakers.
What tool measures voltage and current in solar systems?
A multimeter or clamp meter.
What kind of inverters should be used for grid systems in Zambia?
ZESCO-approved inverters only.
