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Tampering and security

In North America, it is common for energy meters to plug into a standardised socket exterior, at the aspect of a constructing. This lets in the meter to be replaced with out worrying the wires to the socket, or the occupant of the constructing. Some sockets may also have a pass at the same time as the meter is eliminated for service. The quantity of electricity used with out being recorded all through this small time is considered insignificant while compared to the inconvenience which is probably induced to the consumer by means of slicing off the electricity supply. Most electronic meters in North America use a serial protocol, ANSI C12.18.

In many other countries the supply and load terminals are within the meter housing itself. Cables are linked directly to the meter. In some regions the meter is out of doors, often on a software pole. In others, it’s miles within the constructing in a niche. If inner, it is able to percentage a facts reference to other meters. If it exists, the shared connection is usually a small plug close to the post box. The connection is frequently EIA-485 or infra-purple with a serial protocol which includes IEC 62056.

In 2014, networking to meters is hastily changing. The most commonplace schemes appear to combine an current national standard for records (e.G. ANSI C12.19 or IEC 62056) working via the internet protocol with a small circuit board for powerline verbal exchange, or a digital radio for a cellular phone network, or an ISM band.

Meters can be manipulated to cause them to beneath-check in, correctly permitting power use with out buying it. This robbery or fraud may be risky in addition to dishonest

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