Analog (mechanical) electric meters, in service for decades—close to a
hundred years, typically lasted between 30 and 40 years before they had
to be replaced, plus they were totally safe with no plastic parts that
can ignite easily from “hot sockets” or arcing, and they were
“grounded”.
AMI Smart Meters, which are being retrofitted on to electric, natural
gas and water meters, will have to be replaced anywhere from every 6 to
7 years (according to a utility company executive at a congressional
hearing in October 2015), with consumers obviously, and unknowingly,
being billed and forced to pay for new replacement meters each time one
is installed at their dwelling.
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