Electronics > Projects, Designs, and Technical Stuff

How safe is it to use a SSR to control power to a spa? Or use a relay?

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langwadt:

--- Quote from: DougSpindler on July 20, 2020, 05:20:27 pm ---
--- Quote from: bdunham7 on July 20, 2020, 05:11:53 pm ---
--- Quote from: DougSpindler on July 20, 2020, 05:06:38 pm ---
California law is if the fire happens after the earthquake you are covered by fire insurance. If the fire happens before the earthquake you are not covered.

--- End quote ---

Really?  Can you tell me where I find that law?

--- End quote ---

Why would you think fire insurance would not be valid after and earthquake.
Why yes I can.  Goes back to the San Francisco earthquake and fire in 1906.  And was again re-affirmed with the 1989 earthquake and fires.

--- End quote ---

then no one is ever covered by fire insurance because it'll always be before what ever earthquake comes next



DougSpindler:

--- Quote from: bson on July 20, 2020, 05:32:50 pm ---I wouldn't buy any electronic part that matters from Amazon.  Heck, I recently received Energizer CR2032 lithium cells from them that measured 2.7-2.9V across the board, pack of 20!  I discovered this after they went dead within a month when they should last 6-8 months.  Garbage.  Ordered Panasonic ones from Mouser; a touch over 3.2V across the board, priced $.23 per cell, qty 1. The Energizers were probably counterfit since any legit lithium cell should have a shelf life well over 10 years.  My best guess is they were really alkalines.  Just avoid.

--- End quote ---

You are entitled to your opinion.  I have excellent success electronic components from Amazon and pretty good with Banggood.  eBay is hit or miss.  In my mind it all depends on the application.  If I were building a pacemaker I would use high quality components.  But to control power to a spa that's protected with a GFCI a $10 high current relay is fine.  What's the worst that would happen?  The contact fuse creating a short?  Burn out causing an open?  Heat up and melt?  The GFCI would trip and the water in the spa would put the fire out.

No need to spend $100 at Digikey/Mouser when a $10 part would probably work just as well.


bdunham7:

--- Quote from: DougSpindler on July 20, 2020, 05:20:27 pm ---Why would you think fire insurance would not be valid after and earthquake.

--- End quote ---

I didn't say that.  I'm wondering why you think fire insurance would not be valid before an earthquake. :-//

DougSpindler:
My error and I see a typo  The and should have been "an".

Fire insurance would be valid before and after an earthquake.  But if there is an earthquake and no fire and you don't have earthquake insurance then you are screwed.  But if you have earthquake damage followed by fire then you are covered with by the fire insurance.

bdunham7:

--- Quote from: DougSpindler on July 20, 2020, 06:05:04 pm ---My error and I see a typo  The and should have been "an".

Fire insurance would be valid before and after an earthquake.  But if there is an earthquake and no fire and you don't have earthquake insurance then you are screwed.  But if you have earthquake damage followed by fire then you are covered with by the fire insurance.

--- End quote ---

Well, perhaps, unless you have announced your intent to commit arson in a public forum.  :-DD

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