OSHA Electrical Safety: Basic

29CFR 1910.302-308 Design Safety Standards for Electrical Systems / 29CFR 1910.331-335 Electrical Safety-Related Work Practices Standards

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Pay just $18.95 for your OSHA certificate AFTER you complete the training.

This course is a basic introduction to electrical safety on the job. This course covers  the many electrical hazards that can be encountered in the workplace and how to protect yourself from those hazards.

Compliant with OSHA Standards

29CFR 1910.302-308 Design Safety Standards for Electrical Systems / 29CFR 1910.331-335 Electrical Safety-Related Work Practices Standards

Electrical Safety: Basic - Curriculum

Electrical Hazards

In this lesson you will learn about why we have safety standards for working around electrical hazards.

In this lesson, you will learn about the main units of electrical measurement and their importance to working safely around electrical hazards.

In this lesson, you will learn about the way in which electricity flows through different types of compounds, surfaces and objects, and the impact this has on electrical safety at work.

In this lesson, you will learn about the dangers of electrical shocks, what causes electrical shocks, and how to protect yourself from electrical shocks.

In this lesson, you will about the OSHA definition of ‘low voltage’ and the dangers of low voltage hazards.

In this lesson, you will about the OSHA definition of ‘high voltage’ and the dangers of high voltage hazards.

In this lesson, you will learn about the dangers of static electricity and the types of injury it can cause.

In this lesson, you will about the dangers of overload hazards and how to prevent electrical overloads in the workplace.

Protective Measures

In this lesson you will get an over view of the protective measures that can be taken to mitigate against electrical hazards.

In this lesson you will learn about guarding and grounding electricity and the use of insulation.

In this lesson you will learn about the various types of circuit protection devices that may be used in a workplace, for example, circuit breakers.

In this lesson you will learn about safe work practices that help to reduce the dangers of electrical hazards in the workplace.

In this lesson you will learn about various types of protective equipment that may be used in the workplace.

In this lesson you will learn about the training requirements for employees working with or around eletrical hazards.

1 HOUR

Training Time

ASSESSMENTS

Two Quizzes

OSHA Certificate of Compliance

After successfully completing the training, you can buy the official OSHA Electrical Safety Certificate for just $18.95. 

Instant access and email delivery means you’re OSHA 29CFR 1910.302-308 Design Safety Standards for Electrical Systems / 29CFR 1910.331-335 Electrical Safety-Related Work Practices Standards compliant immediately. Your certificate will be permanently stored in your account where it can be verified or re-printed at any time.

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OSHA Information and Disclaimer

  • Part Number:
    1910
  • Part Number Title:
    Occupational Safety and Health Standards
  • Subpart:
    1910 Subpart S
  • Subpart Title:
    Electrical
  • Standard Number:
  • Title:
    Electric utilization systems.
  • GPO Source:

Sections 1910.302 through 1910.308 contain design safety standards for electric utilization systems.
1910.302(a)
Scope —
1910.302(a)(1)
Covered. The provisions of §§ 1910.302 through 1910.308 cover electrical installations and utilization equipment installed or used within or on buildings, structures, and other premises, including:
1910.302(a)(1)(i)
Yards;
1910.302(a)(1)(ii)
Carnivals;
1910.302(a)(1)(iii)
Parking and other lots;
1910.302(a)(1)(iv)
Mobile homes;
1910.302(a)(1)(v)
Recreational vehicles;
1910.302(a)(1)(vi)
Industrial substations;
1910.302(a)(1)(vii)
Conductors that connect the installations to a supply of electricity; and
1910.302(a)(1)(viii)
Other outside conductors on the premises.
1910.302(a)(2)
Not covered. The provisions of §§ 1910.302 through 1910.308 do not cover:
1910.302(a)(2)(i)
Installations in ships, watercraft, railway rolling stock, aircraft, or automotive vehicles other than mobile homes and recreational vehicles;
1910.302(a)(2)(ii)
Installations underground in mines;
1910.302(a)(2)(iii)
Installations of railways for generation, transformation, transmission, or distribution of power used exclusively for operation of rolling stock or installations used exclusively for signaling and communication purposes;
1910.302(a)(2)(iv)
Installations of communication equipment under the exclusive control of communication utilities, located outdoors or in building spaces used exclusively for such installations; or.
1910.302(a)(2)(v)
Installations under the exclusive control of electric utilities for the purpose of communication or metering; or for the generation, control, transformation, transmission, and distribution of electric energy located in buildings used exclusively by utilities for such purposes or located outdoors on property owned or leased by the utility or on public highways, streets, roads, etc., or outdoors by established rights on private property.
1910.302(b)
Extent of application —
1910.302(b)(1)
Requirements applicable to all installations. The following requirements apply to all electrical installations and utilization equipment, regardless of when they were designed or installed:

§ 1910.303(b) — Examination, installation, and use of equipment
§ 1910.303(c)(3) — Electrical connections — Splices
§ 1910.303(d) — Arcing parts
§ 1910.303(e) — Marking
§ 1910.303(f), except (f)(4) and (f)(5) — Disconnecting means and circuits
§ 1910.303(g)(2) — 600 volts or less — Guarding of live parts
§ 1910.304(a)(3) — Use of grounding terminals and devices
§ 1910.304(f)(1)(i), (f)(1)(iv), and (f)(1)(v) — Overcurrent protection — 600 volts, nominal, or less
§ 1910.304(g)(1)(ii), (g)(1)(iii), (g)(1)(iv), and (g)(1)(v) — Grounding — Systems to be grounded
§ 1910.304(g)(4) — Grounding — Grounding connections
§ 1910.304(g)(5) — Grounding — Grounding path
§ 1910.304(g)(6)(iv)(A) through (g)(6)(iv)(D), and (g)(6)(vi) — Grounding — Supports, enclosures, and equipment to be grounded
§ 1910.304(g)(7) — Grounding — Nonelectrical equipment
§ 1910.304(g)(8)(i) — Grounding — Methods of grounding fixed equipment
§ 1910.305(g)(1) — Flexible cords and cables–Use of flexible cords and cables
§ 1910.305(g)(2)(ii) and (g)(2)(iii) — Flexible cords and cables — Identification, splices, and terminations
§ 1910.307, except as specified in § 1910.307(b) — Hazardous (classified) locations
1910.302(b)(2)
Requirements applicable to installations made after March 15, 1972. Every electrical installation and all utilization equipment installed or overhauled after March 15, 1972, shall comply with the provisions of §§ 1910.302 through 1910.308, except as noted in paragraphs (b)(3) and (b)(4) of this section.
1910.302(b)(3)
Requirements applicable only to installations made after April 16, 1981. The following requirements apply only to electrical installations and utilization equipment installed after April 16, 1981:

§ 1910.303(h)(4) — Over 600 volts, nominal — Entrance and access to work space
§ 1910.304(f)(1)(vii) and (f)(1)(viii) — Overcurrent protection — 600 volts, nominal, or less
§ 1910.304(g)(9)(i) — Grounding — Grounding of systems and circuits of 1000 volts and over (high voltage)
§ 1910.305(j)(6)(ii)(D) — Equipment for general use — Capacitors
§ 1910.306(c)(9) — Elevators, dumbwaiters, escalators, moving walks, wheelchair lifts, and stairway chair lifts — Interconnection between multicar controllers
§ 1910.306(i) — Electrically driven or controlled irrigation machines
§ 1910.306(j)(5) — Swimming pools, fountains, and similar installations — Fountains
§ 1910.308(a)(1)(ii) — Systems over 600 volts, nominal — Aboveground wiring methods
§ 1910.308(c)(2) — Class 1, Class 2, and Class 3 remote control, signaling, and power-limited circuits — Marking
§ 1910.308(d) — Fire alarm systems
1910.302(b)(4)
Requirements applicable only to installations made after August 13, 2007. The following requirements apply only to electrical installations and utilization equipment installed after August 13, 2007:

§ 1910.303(f)(4) — Disconnecting means and circuits — Capable of accepting a lock
§ 1910.303(f)(5) — Disconnecting means and circuits — Marking for series combination ratings
§ 1910.303(g)(1)(iv) and (g)(1)(vii) — 600 Volts, nominal, or less — Space about electric equipment
§ 1910.303(h)(5)(vi) — Over 600 volts, nominal — Working space and guarding
§ 1910.304(b)(1) — Branch circuits — Identification of multiwire branch circuits
§ 1910.304(b)(3)(i) — Branch circuits — Ground-fault circuit interrupter protection for personnel
§ 1910.304(f)(2)(i)(A), (f)(2)(i)(B) (but not the introductory text to § 1910.304(f)(2)(i)), and (f)(2)(iv)(A) — Overcurrent protection — Feeders and branch circuits over 600 volts, nominal
§ 1910.305(c)(3)(ii) — Switches — Connection of switches
§ 1910.305(c)(5) — Switches — Grounding
§ 1910.306(a)(1)(ii) — Electric signs and outline lighting — Disconnecting means
§ 1910.306(c)(4) — Elevators, dumbwaiters, escalators, moving walks, wheelchair lifts, and stairway chair lifts — Operation
§ 1910.306(c)(5) — Elevators, dumbwaiters, escalators, moving walks, wheelchair lifts, and stairway chair lifts — Location
§ 1910.306(c)(6) — Elevators, dumbwaiters, escalators, moving walks, wheelchair lifts, and stairway chair lifts — Identification and signs
§ 1910.306(c)(7) — Elevators, dumbwaiters, escalators, moving walks, wheelchair lifts, and stairway chair lifts — Single-car and multicar installations
§ 1910.306(j)(1)(iii) — Swimming pools, fountains, and similar installations — Receptacles
§ 1910.306(k) — Carnivals, circuses, fairs, and similar events
§ 1910.308(a)(5)(v) and (a)(5)(vi)(B) — Systems over 600 volts, nominal — Interrupting and isolating devices
§ 1910.308(a)(7)(vi) — Systems over 600 volts, nominal — Tunnel installations
§ 1910.308(b)(3) — Emergency power systems — Signs
§ 1910.308(c)(3) — Class 1, Class 2, and Class 3 remote control, signaling, and power-limited circuits — Separation from conductors of other circuits
§ 1910.308(f) — Solar photovoltaic systems
1910.302(c)
Applicability of requirements for disconnecting means. The requirement in § 1910.147(c)(2)(iii) that energy isolating devices be capable of accepting a lockout device whenever replacement or major repair, renovation or modification of a machine or equipment is performed, and whenever new machines or equipment are installed after January 2, 1990, applies in addition to any requirements in § 1910.303 through § 1910.308 that disconnecting means be capable of being locked in the open position under certain conditions.

[46 FR 4056, Jan. 16, 1981; 46 FR 40185, Aug. 7, 1981; 72 FR 7190, Feb. 14, 2007]
  • Part Number:
    1910
  • Part Number Title:
    Occupational Safety and Health Standards
  • Subpart:
    1910 Subpart S
  • Subpart Title:
    Electrical
  • Standard Number:
  • Title:
    Scope
  • GPO Source:
1910.331(a)
Covered work by both qualified and unqualified persons. The provisions of §§1910.331 through 1910.335 cover electrical safety-related work practices for both qualified persons (those who have training in avoiding the electrical hazards of working on or near exposed energized parts) and unqualified persons (those with little or no such training) working on, near, or with the following installations:
1910.331(a)(1)
Premises wiring. Installations of electric conductors and equipment within or on buildings or other structures, and on other premises such as yards, carnival, parking, and other lots, and industrial substations;
1910.331(a)(2)
Wiring for connection to supply. Installations of conductors that connect to the supply of electricity; and
1910.331(a)(3)
Other wiring. Installations of other outside conductors on the premises.
1910.331(a)(4)

Optical fiber cable. Installations of optical fiber cable where such installations are made along with electric conductors.

Note: See §1910.399 for the definition of “qualified person.” See §1910.332 for training requirements that apply to qualified and unqualified persons.

1910.331(b)
Other covered work. The provisions of §§ 1910.331 through 1910.335 also cover:
1910.331(b)(1)
Work performed by unqualified persons on, near, or with the installations listed in paragraphs (c)(1) through (4) of this section; and
1910.331(b)(2)
Work performed by qualified persons near the installations listed in paragraphs (c)(1) through (c)(4) of this section when that work is not on or directly associated with those installations.
1910.331(c)
Excluded work by qualified persons. The provisions of §§1910.331 through 1910.335 do not apply to work performed by qualified persons on or directly associated with the following installations:
1910.331(c)(1)

Generation, transmission, and distribution installations. Installations for the generation, control, transformation, transmission, and distribution of electric energy (including communication and metering) located in buildings used for such purposes or located outdoors.

Note 1 to paragraph (c)(1): Work on or directly associated with installations of utilization equipment used for purposes other than generating, transmitting, or distributing electric energy (such as installations which are in office buildings, warehouses, garages, machine shops, or recreational buildings, or other utilization installations which are not an integral part of a generating installation, substation, or control center) is covered under paragraph (a)(1) of this section.

Note 2 to paragraph (c)(1): For work on or directly associated with utilization installations, an employer who complies with the work practices of §1910.269 (electric power generation, transmission, and distribution) will be deemed to be in compliance with §1910.333(c) and §1910.335. However, the requirements of §1910.332, §1910.333(a), §1910.333(b), and §1910.334 apply to all work on or directly associated with utilization installations, regardless of whether the work is performed by qualified or unqualified persons.

Note 3 to paragraph (c)(1): Work on or directly associated with generation, transmission, or distribution installations includes:

(1) Work performed directly on such installations, such as repairing overhead or underground distribution lines or repairing a feed-water pump for the boiler in a generating plant.

(2) Work directly associated with such installations, such as line-clearance tree trimming and replacing utility poles, when that work is covered by § 1910.269 (see § 1910.269(a)(1)(i)(D) and (E) and the definition of “line-clearance tree trimming” in § 1910.269(x)).

(3) Work on electric utilization circuits in a generating plant provided that:

(A) Such circuits are commingled with installations of power generation equipment or circuits, and

(B) The generation equipment or circuits present greater electrical hazards than those posed by the utilization equipment or circuits (such as exposure to higher voltages or lack of overcurrent protection).

This work is covered by § 1910.269.

1910.331(c)(2)
Communications installations. Installations of communication equipment to the extent that the work is covered under §1910.268.
1910.331(c)(3)
Installations in vehicles. Installations in ships, watercraft, railway rolling stock, aircraft, or automotive vehicles other than mobile homes and recreational vehicles.
1910.331(c)(4)
Railway installations. Installations of railways for generation, transformation, transmission, or distribution of power used exclusively for operation of rolling stock or installations of railways used exclusively for signaling and communication purposes.
[55 FR 32016, Aug. 6, 1990; 59 FR 4476, Jan. 31, 1994; 79 FR 20692, Apr. 11, 2014; 80 FR 60039, October 5, 2015]
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