Emergency Power Standby Generator Testing

Could anyone enlighten me on the testing requirements for emergency standby generators. After reading NFPA 110 2010, it isn’t any clearer. We are specifically questioning annual load testing. Is that required? I understand the monthly testing. If that record is in place does that push load testing requirements to 36 months? Do any municipalities have specific code requirements?

David Strahan, Inspector
Euclid Fire Dept.
[email protected]
(216) 289-8425