Definitions Applicable to 29 CFR 1926 Subpart K

DOE-HDBK-1092-2004

NOTE 1: An employee must have the training required by paragraph (a)(2)(ii) of this section in

order to be considered a qualified employee.

NOTE 2: Except under paragraph (g)(2)(v) of this section, an employee who is undergoing on-

the-job training and who, in the course of such training, has demonstrated an ability to

perform duties safely at his or her level of training and who is under the direct supervision

of a qualified person is considered to be a qualified person for the performance of those

duties.

Step bolt--A bolt or rung attached at intervals along a structural member and used for foot

placement during climbing or standing.

Switch--A device for opening and closing or for changing the connection of a circuit. In this

section, a switch is understood to be manually operable, unless otherwise stated.

System operator--A qualified person designated to operate the system or its parts.

Vault--An enclosure, above or below ground, which personnel may enter and which is used

for the purpose of installing, operating, or maintaining equipment or cable.

Vented vault--A vault that has provision for air changes using exhaust flue stacks and low level

air intakes operating on differentials of pressure and temperature providing for airflow which

precludes a hazardous atmosphere from developing.

Voltage--The effective (rms) potential difference between any two conductors or between a

conductor and ground. Voltages are expressed in nominal values unless otherwise indicated.

The nominal voltage of a system or circuit is the value assigned to a system or circuit of a given

voltage class for the purpose of convenient designation. The operating voltage of the system

may vary above or below this value.

DEFINITIONS APPLICABLE TO 29 CFR 1926 SUBPART K

Acceptable--An installation or equipment is acceptable to the Assistant Secretary of Labor, and

approved within the meaning of this Subpart K:

a. If it is accepted, or certified, or listed, or labeled, or otherwise determined to be safe by a

qualified testing laboratory capable of determining the suitability of materials and equipment

for installation and use in accordance with this standard; or

b. With respect to an installation or equipment of a kind which no qualified testing laboratory

accepts, certifies, lists, labels, or determines to be safe, if it is inspected or tested by another

Federal agency, or by a State, municipal, or other local authority responsible for enforcing

occupational safety provisions of the National Electrical Code, and found in compliance with

those provisions; or

c. With respect to custom--made equipment or related installations which are designed,

fabricated for, and intended for use by a particular customer, if it is determined to be safe for

its intended use by its manufacturer on the basis of test data which the employer keeps and

makes available for inspection to the Assistant Secretary and his authorized

representatives.

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