AAH said:have so far missed. It's a steel enclosure so you should make sure both the enclosure and the door have an earth connection to them.
Andy2000 said:The little LED voltmeters were from ebay. They do from 3 to 30v from memory. Around the $3.30 mark including postage so I ordered 10. Handy to have in case of a failure you have a visual and also if voltage is dropping too much. How do I earth the cabinet? It has an earth point in it and the hinges for the door are steel so thats not a problem