What exactly is meant by garbage power?
It is common knowledge that there are fluctuations in utility supply .For example, some times the utility voltage is as low as 170 to 160 volts and high as 280 to 300 volts. Besides this, there are many more hidden culprits associated with utility lines like sags and surges, oscillatory transients, EMI and RFI, brown outs, or total loss of power.