An electric meter adaptor includes a housing having a meter block end and a meter end opposite the meter block end. The meter adaptor includes a pair of first blades supported by the housing and extending from the meter block end to the meter end, each of the first blades having a line connector at the meter block end and a meter connector at the meter block end. The meter adaptor includes a pair of second blades supported by the housing at the meter block end, each of the second blades having a load connector. The meter adaptor includes a pair of third blades supported by the housing at the meter end, each of the third blades having a second meter connector.