NEC (National Electrical Code)

A set of standards published by the National Fire Protection Asso-

ciation (NFPA) for the safe installation of electrical wiring and optical fiber and equipment on the premises. The NEC is approved by the American National Standards Institute (ANSI) as ANSI NFPA 70, and its use is commonly mandated by state and local law.The NEC is updated and published every three years.

See also ANSI.

• silicone
• silicon (Si)
• Simple Gateway Control Protocol (SGCP)
• Simple Mail Transfer Protocol (SMTP)
• simple mode
• Simple Network Management Protocol (SNMP)
• SIMPLE (Session Initiation Protocol [SIP] for Instant Messaging and Presence Leveraging
• simplex
• simplex
• simplex
• simplified message desk interface (SMDI)
• SIM (Subscriber Identification Module)
• sine wave
• Single-Ended Method for Objective Speech Quality Assessment in Narrow-Band Telephony
• single-key encryption
• single-line digital subscriber line (SDSL)
• single-line DSL (SDSL)
• single-mode fiber (SMF)
• single number dialing
• single number dialing
• single number dialing
• Single Point of Termination (SPOT)
• single sideband (SS or SSB)
• sink
• S interface