IMO Audit Findings - IT’s

IMO Audit Findings - IT’s• As per Market Rules, IT’s must be Measurement Canada

approved or operating under Measurement Canada Temporary Permit - which expires May 1, 2004

• IT’s must be operating on the MC approved tap and within the burden and rating factor limits

• Number of installations consisting of MC approved IT’s but not operating on the MC approved tap. IT’s listed on MC Temp Permit.

• Number of installations have non MC approved IT’s and are not listed on the MC Temporary Permit. Subject to compliance.

IMO Audit Findings - IT’s• Meter installation consists of distribution transformers for

VT’s (non MC approved and no accuracy rating).– May or may not be on MC Temp Permit

– In some cases, distribution transformers are also used as station service transformers.

• Auto transformers used in CT circuits of some meter installations.

• Unable to determine IT accuracy in some cases.