SparkFun Forums 

Where electronics enthusiasts find answers.

Qwiic relay - not safe for 120V

Have questions about a SparkFun product or board? This is the place to be.

Qwiic relay - not safe for 120V

By n1ist
-  Thu Apr 05, 2018 7:37 am #198853
I just took a look at the Eagle files for the Qwiic relay (SPX-14668). There is a ground pour 12 mils away from the pads on the relay and associated connector. This is insufficient clearance for 120v and can easily arc over, causing a fire or the loss of isolation (and therefore shock or worse) from the low voltage side.

Therefore, do not use this product on 120v. Low voltage is fine.

Re: Qwiic relay - not safe for 120V

By n1ist
-  Thu Apr 05, 2018 3:49 pm #198873
They have updated the description to now state that this board should not be used for high voltage switching.

Thanks.
/mike
 Return to “SparkFun Product Questions”