HANDBOOK REQUIREMENTS - Central Maine Power Company
HANDBOOK REQUIREMENTS - Central Maine Power Company
HANDBOOK REQUIREMENTS - Central Maine Power Company
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64<br />
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not to interfere with the opening of doors/covers or restrict access<br />
to enclosures.<br />
For locations where the service voltage exceeds 480 volts,<br />
advance <strong>Company</strong> approval of the instrument transformer<br />
installation is required. See paragraph 814 for Switchgear<br />
Installations.<br />
812. MAST OR BUILDING MOUNTED CT INSTALLATION<br />
Mounting of CTs / VTs on the customer's service mast or<br />
on the building adjacent to the weatherhead is not permitted.<br />
Note: Except for the case of primary metering, CTs shall not be<br />
mounted on poles or pole mounted brackets.<br />
813. PADMOUNT TRANSFORMER INSTALLATIONS<br />
Provided there will be only one customer served from the<br />
padmount transformer, the CTs may be mounted inside the<br />
padmount transformer enclosure. VTs shall not be installed in the<br />
padmount transformer enclosure.<br />
The VTs may, with prior<br />
<strong>Company</strong><br />
approval, be installed in a separate weatherproof cabinet<br />
adjacent to the meter enclosure.<br />
814. SWITCHGEAR INSTALLATIONS<br />
When instrument transformers are to be installed in<br />
switchgear, advance <strong>Company</strong> approval of transformer<br />
compartment plans is required.<br />
Following are the requirements for switchgear instrument<br />
transformer compartments:<br />
•<br />
“Hot sequence” metering is the standard arrangement.