I have purchased the WPC3700 and have two comments.
First, I have moved position of the wifi antenna to the top of the box, away from the mains voltage wiring.
Second, the mains voltage terminals are not compliant for wiring in my country as they do not incorporate an strain relief, and the orange cover is easily removed by "little" fingers. I will need to add another enclose while trying not to block the airflow through the heatsink. I suggest you change the enclosure so this product is easier to get signed off by a registered electrician.
Thank you so much for your valuable feedback. We have forwarded these two suggestions to our product team for review.
If you decide to purchase our products in the future, please remind us of this discussion, and we would be happy to offer you a discount as a token of our appreciation.
By the way ,please upgrade to this latest version
https://imeter.club/topic/687
And looking forward to hearing about your further sharing in the use of WPC3700