WIRING DIAGRAMS
SECTION 8
BULLETIN 257B

GENERAL NOTES
A.)   DISCONNECT SWITCHES OR CIRCUIT BREAKERS SHOULD BE INSTALLED IN POWER LINES AS REQUIRED BY APPLICABLE CODES.
B.)   MAGNETIC STARTERS CAN BE FURNISHED WITH "START-STOP" BUTTONS, "HAND-OFF-AUTOMATIC" SELECTOR SWITCHES, CONTROL CIRCUIT TRANSFORMERS, ISOLATED CONTROL CIRCUITS, PILOT LIGHTS, AND IN COMBINATION WITH FUSED OR UNFUSED DISCONNECT SWITCHES OR CIRCUIT BREAKERS.
C.)   MAGNETIC STARTERS HAVE OVERLOAD AND LOW VOLTAGE PROTECTION. STANDARD 3-PHASE STARTERS HAVE OVERLOAD RELAYS ON TWO PHASES. AN OVERLOAD RELAY FOR THE THIRD PHASE CAN BE INCLUDED.
D.)   MANUAL STARTERS PROVIDE OVERLOAD PROTECTION AND HAVE "ON-OFF" TOGGLE SWITCH. PILOT LIGHTS AND "HAND-OFF-AUTOMATIC" SWITCHES ARE ALSO AVAILABLE.
E.)   1-PHASE MOTORS IN FRACTIONAL HORSEPOWER FRAME SIZES ARE ORDINARILY CONSTRUCTED WITH BUILT-IN OVERLOAD PROTECTION AND THUS DO NOT REQUIRE MAGNETIC STARTERS UNLESS THEY ARE BEYOND THE ACROSS-THE-LINE CURRENT LIMITS OF THE PILOT CONTROL DEVICES. SEE WIRING DIAGRAMS FOR PILOT DEVICE CURRENT LIMITS.
F.)   SEE THE WIRING DIAGRAM INSIDE THE COVER OF MAGNETIC STARTERS FOR CORRECT CONTROL CIRCUIT COIL CONNECTIONS.
G.)   ALL WIRING SHOULD BE PROPERLY PHASED OUT.
H.)   REFER TO ABC ELECTRIC CORP FOR SPECIAL CONTROL SYSTEMS NOT ILLUSTRATED.