INFORMATION & REQUIREMENTS ELECTRIC SERVICE - NStar
INFORMATION & REQUIREMENTS ELECTRIC SERVICE - NStar
INFORMATION & REQUIREMENTS ELECTRIC SERVICE - NStar
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
SKETCH 15 SKETCH 16<br />
Hot and Cold Sequence Diagrams<br />
Company Meter Socket and Connection Requirements<br />
Service Number Location of<br />
Size Service Number Socket of Sketch Serv.Disconnect<br />
(Amps) (Volts) of Phases Wires Terminals Number (Hot or Cold Seq.)<br />
200 120/240 1 3 4 17,18 H<br />
HOT SEQUENCE METERING<br />
LINE<br />
M<br />
METER<br />
COMPARTMENT<br />
<strong>SERVICE</strong><br />
DISCONNECT<br />
SWITCH<br />
LOAD<br />
200 120/208 1 3 5 17,18 H<br />
200 240 3 3 5 19 H<br />
200 480 3 3 5 19 C<br />
200 120/208 3 4 7 20 H<br />
200 277/480 3 4 7 20 C<br />
400 120/240 1 3 5 21 H<br />
400 120/208 1 3 5 21 H<br />
400 120/208 3 4 7 22 H<br />
COLD SEQUENCE METERING<br />
LINE<br />
METER<br />
DISCONNECT<br />
SWITCH<br />
M<br />
LOAD<br />
METER<br />
COMPARTMENT<br />
400 277/480 3 4 7 22 C<br />
1. All sockets must be listed for use by a recognized testing agency.<br />
2. For more specific details regarding location of service disconnect (hot or<br />
cold sequence) refer to section 705.<br />
3. For locations where current limiting protection is required refer to<br />
section 705C.<br />
4. For specifics regarding sockets with manual bypass refer to section 715.<br />
124 125