Surge protector

sethn

Member
Location
CANADA
Occupation
Refrigeration mechanic
If I have a disconnect for a heatpump or air conditioner, am I able to use the disconnect box to mount a surge protector to it?
 
As long as it's rated for outdoor installation you're good. How do you plan to make the connections inside the disconnect?
 
Marrette "wire connector" with a pigtail. Also interested in ground lug if you can double tap it or not?
 
Could have an issue if the surge suppressor requires a breaker to protect it and they only want a 15A or 20A breaker. If it can be protected by the HVAC circuit breaker, then it shouldn't be a problem.

Many ground bars allow 2 or 3 wires of the same size and material in the same hole. Usually there is another stipulation that the wires be between $13 and #10 in size. If this just has a screw and not a bar, you may need to install a bar, drill/tap another hole in the enclosure for the 2nd ground, or use the wirenut and pigtail approach.
 
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