I'm opening up a Cutler Hammer meter stack next week. dead meter, poco inspector says meter has been dead for 2 years, and is a 5th jaw failure. evidently apartment dweller finally realized he's been getting an estimated bill for this entire time and complained to his landlord. my question to you is, what is the most common failure mode you've seen for these? I've ordered the 5th jaw kit under the somewhat dubious (and cheap) assumption it will be a simple fix, but won't know what's under there until kill the power and pull meter. is a single phase, 208 meter. PSE&G requires the 5th jaw for this application. It's a 1MM412RRL meter stack.