Orientation, Lab and Industry Safety (NEC Basics)

Vocabulary flashcards covering electrical safety procedures, regulatory authorities, and National Electrical Code (NEC) fundamentals.

Primary Purpose of the NEC

The practical safeguarding of persons and property from hazards arising from the use of electricity (NEC 90.2 b).

Article 100

The article in the NEC that serves as the dictionary containing essential terms used throughout the document.

Emergency Power Off (EPO) Button

The control that should be located and activated immediately as the first action if someone is experiencing an electric shock in a lab emergency.

Installations Not Covered by the NEC

installations under the exclusive control of an electric utility.

Authority Having Jurisdiction (AHJ)

As described in NEC 90.4, the organization or individual responsible for enforcing the code, interpreting the rules, and approving equipment.

Mandatory Rule

According to NEC 90.5, a code requirement identified specifically by the use of the word "shall."

Permissive Rule

An optional or permissive code rule in the NEC identified by the phrase "shall be permitted."

Informational Note

Text within the NEC that contains nonmandatory explanatory material, hints, or suggestions.

NFPA 70E

The foundational document establishing global standard guidelines for workplace electrical safety practices to avoid arc flashes.

ANSI Z87.1

The standard mark required on personal protective equipment (PPE) in active industrial environments to verify structural impact verification.

Lockout/Tagout (LOTO)

A safety procedure ensuring electrical circuits are completely turned off, isolated from energy sources, and cannot be reenergized while work is being performed.

Code Arrangement (NEC 90.3)

The core configuration rule detailing chapter relationships, establishing that chapters 5, 6, and 7 modify general rules to navigate specific versus general tasks.

Nonconductive Rescue Hook

An insulated medium utilized during an active shock emergency to safely break physical contact boundaries without turning the rescuer into a secondary conduction path.

Special Permission

Defined in Article 100 as the written consent of the authority having jurisdiction.

Articles (NEC Hierarchy)

Structural divisions within the NEC that represent specific subjects within a chapter.

Electrical Fire Extinguisher Agent

A nonconductive agent, such as CO2 or dry chemical, typically reserved for extinguishing electrical fires.

NEC Instruction Limitation

The principle stating that the NEC is not intended to serve as an instruction manual for untrained persons.

NEC 90.2(A)(1) Scope

The section defining covered installations, which include yards, lots, and parking lots.