Abb List 6 (MOSTLY S's)

"S" Club

100

Section Breaker

SB

200

(1) Watt, (2) Watt-hour meter (3) Wattmeter

(1)W (2)WHRM (3)WM

300

SCL

Summation Current Lockout

400

Solenoid

SOL

500

Sub-Transmission Distribution Facility 

*What is this abbreviation followed by?

STDF (followed by number)

Ain't No Party like a "S" club Party

100

SC

Service Center

200

SW

Switch

300

SCADA

Supervisory Control and Data Acquisition

400

SEC

Secondary

500

Section

SECT

Upper Decker"s"

100

SUB

Substation

200

Substation Maintenance 

SM

300

SLL

Substation Load Limit

400

SPDT and SPST

Single-Pole-Double-Throw and Single-Pole-Single-Throw

500

SPS

Solar Park Station

Oh,"S"hipsewana!

100

SP

Single Pole

200

SOC

System Operation Center

300

Station

STA

400

Station Equipment

SE

500

SPFE

Spare Position Fully Equipped

"S"no More!

100

SYN (3 answers)

Synchronize, Synchroscope, Synchronous 

200

SMJ

Structural Maintenance Journeyman

300

(1) WPS and (2) WPO

(1)Wind Park Station (2)With Permission to Operate

400

(1) WTG and (2) WTC

(1)Wind Turbine Generator (2)Working Test Cap

500

STAR

Stop-Think-Act-Review