the right way to install elect.devices

Each manufacturer is in fact different. As an electrician. ,Your job is to figure what you are supplying to the device. Once supplied to install device read all installation instructions, as one thing could be different to some experienced electricians. As mentioned before all manufacturers will upgrade their devices faster than others. changing some procedures., (steps you would know after installing thousands of one particular device.). same type device , different manufacturer. Check wiring diagram is the best thing to do.