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The best surge protectors will use MOVs and TVS Diodes. The diodes react very quickly but cannot handle large amounts of power. The MOVs can handle the power but are slower. A well designed MOV unit c

NCE has an internal supply that reduces the incoming voltage to a track voltage that is adjustable. If the internal supply were analog than an incoming current meter would be accurate. It is likely th

I like the circuit. The meter will need to be either analog or battery operated. The impedance of the meter at the desired amperage setting will need to be less than about 500 Ohms. I imagine that thi

I would like to suggest Sanchem No-Ox-Id A grease for rail joiners instead of soldering. This grease was designed to prevent oxidation and keep contaminants out of electrical connections. It has worke