“We did some tests on counterfeit circuit breakers. We discovered the counterfeits had a 3,200-amp short circuit rating instead of the expected 10,000-amp. They also exhibited erratic tripping and had no calibrations. … What if you had a dangerous electrical problem in your home that wasn't caught because the counterfeit circuit breaker doesn't trip?”

Stephen Litchfield, assistant general counsel, Schneider Electric/Square D

“We’ve had some cases where [CSA labels] have been on some fairly high-level breakers in hospitals. But when you took a look at the breakers, they have either used parts or rusted parts.”

Rod Jones, manager of counterfeit intelligence for Toronto-based CSA International

“If you choose to install a product that is not genuine but counterfeit and causes harm, you can be held liable for personal damages and possibly face imprisonment.”

Kevin Yates, vice president of Siemens Energy and Automation, Residential Products Division.