Frequently Asked Questions
What is the difference between a GFCI and ELCI?
What does a UL listing mean for you?
Different UL Certifications
Why Buy UL Certified Products?
Why Do I Need to Know NEC Guidelines?
Why Buy CSA Certified Products?
What is Class A Protection?
Why does UL now require Class A protection?
Should I have Plug-In or Hardwired Appliances?
Specify to Equipment not a Panel
What is Nuisance Tripping?
What are Common Causes of Nuisance Tripping?
Why do GFCIs and VFDs have a resistive fit?