writing my "a" contractors license

[swansong04]

hello , my name is Gary and i am writing for my "a" contractors license (or field safety Representative ) up here in British Columbia this is a unrestricted ticket on which i can work on any voltage at any current .. i am just looking for a couple example questions on power factor .. i am a bit rusty in this area and i know there is a power factor correction question on the exam .. can somebody please steer me in the right direction to wards some example questions and ways to calculate .. and any other question you guys out there think i should look at ..

thanks for any info


Gary

 

[billsnuff]

pf

pf

try this http://www.nepsi.com/formulas.htm