For a device such as this I would expect a spec sheet similar to the following which clearly states the safety and electrical compliance standards the device was built to
http://ep2000.com/uploads/EP-2050_SeriesSpecifications.pdf
http://ep2000.com/uploads/EP_Ground%20Filter.pdf
While no one is expecting the manufacturer to disclose their trade secrets there is a certain standard one needs to apply when it comes to additions to the whole house circuit
And yes I do own some PPT products, and have no reason to doubt the performance improvements noted, this is a reaction to this particular product
http://ep2000.com/uploads/EP-2050_SeriesSpecifications.pdf
http://ep2000.com/uploads/EP_Ground%20Filter.pdf
While no one is expecting the manufacturer to disclose their trade secrets there is a certain standard one needs to apply when it comes to additions to the whole house circuit
And yes I do own some PPT products, and have no reason to doubt the performance improvements noted, this is a reaction to this particular product