Re: [RE-wrenches] 600 v pv lead separation

Brian: You and I were right on-target with our evaluation. Below is the message I received from Morningstar: The partition was added to satisfy UL/ETL requirements to prevent co-mingling of high voltage(600V) input wires and low voltage battery and communication wiring. If the insulation

Re: [RE-wrenches] Well pump relay question

I've had the contacts arc and not disconnect at 144 vdc. I used a modified relay from an electric vehicle company: KTA services. R.Ray Walters CTO, Solarray, Inc Nabcep Certified PV Installer, Licensed Master Electrician Solar Design Engineer 303 505-8760 On 4/4/2014 7:06 AM, Michael Morningst

Re: [RE-wrenches] shared neutral critical load panel

Hi William, These are 120/240 systems. These are multi-wire branch circuits, but the load pairings are uncommon. For example, on the last hybrid we did, we found that a heat tape circuit and garage lights shared a neutral. The garage lights were on the opposite side of the home as the heat tape