monkey5

Just as an addition has anyone come across a SPD with an alarm or able to send a notification when used?

I would think a single spd at the cu would be sufficient. Remote properties can suffer all sorts if strange electrical issues...

Abit of background, customer has a ground source heat pump and has blown the soft start 4 times, the manufacturer/heat pump engineer has...

exactly. as long as the fire rated lights match the fire rating of the surface they are going through, then they are adequate

Right, so now we know what the real concerns are. I would think that is more to do with construction standards, and fire detection. A...

Thought this might interest forum members.