The information contained on ottawaled.com is not intended to be used as
professional advice. Always consult a professional electrician before
working with electricity and regarding local building codes.
For greater efficiency and longer life
choose a power
supply
that is 20% greater in capacity than the total load.
ie., If total load is 100 watts choose a 120 watt power supply
(Volts x Amp = Watt) 12V 6A power supply = 72W