Electrical Safety Clearances Quiz

<p>Prevent potential hazards (B)</p> Signup and view all the answers

<p>The specific clearance depends on the voltage level (D)</p> Signup and view all the answers

<p>The voltage level of the circuit (D)</p> Signup and view all the answers

<p>To prevent accidental contact with live parts (C)</p> Signup and view all the answers

<p>When the voltage level exceeds 22 kV (A)</p> Signup and view all the answers

<p>Boilers (C)</p> Signup and view all the answers

<p>600 V (B)</p> Signup and view all the answers

<p>Sulfur (B)</p> Signup and view all the answers

<p>Supply (D)</p> Signup and view all the answers

<p>Liquefied Petroleum Gas (A)</p> Signup and view all the answers

<p>Gaseous Nitrogen (C)</p> Signup and view all the answers

<p>Boilers (C)</p> Signup and view all the answers

<p>To identify and categorize areas with potential hazards (B)</p> Signup and view all the answers

<p>Not specified in the text. (A)</p> Signup and view all the answers

<p>Horizontal clearances only consider wind displacement. (C)</p> Signup and view all the answers

<p>It is not defined in the provided text. (A)</p> Signup and view all the answers

<p>To ensure adequate spacing between energized components and other structures. (B)</p> Signup and view all the answers

<p>Type of building material. (A)</p> Signup and view all the answers

<p>To prevent accidental contact with energized components. (D)</p> Signup and view all the answers

<p>Overhead power lines. (B)</p> Signup and view all the answers

<p>Not specified in the provided text. (B)</p> Signup and view all the answers

<p>All of the above (D)</p> Signup and view all the answers

<p>Supply conductors should be higher than communication conductors. (A)</p> Signup and view all the answers

<p>0 to 750 V, 750 V to 8.7 kV, 8.7 kV to 22 kV, 22 kV to 50 kV, and over 50 kV (A)</p> Signup and view all the answers

<p>Supply and Communication Conductors and Equipment and Supply Lines of Different Voltage Classifications. (B), Supply and Communication Conductors and Equipment and Supply Lines of Different Voltage Classifications. (D)</p> Signup and view all the answers

<p>At crossings or conflicts and on structures used only by supply conductors. (B)</p> Signup and view all the answers

<p>Both A and C (A)</p> Signup and view all the answers

<p>All of the above (D)</p> Signup and view all the answers

<p>Unusual conductor supports and protection and marking of guys. (A)</p> Signup and view all the answers

<p>A clearance specified elsewhere (A)</p> Signup and view all the answers

<p>98 kV ac to ground or 139 kV dc to ground (D)</p> Signup and view all the answers

<p>Line conductors to supports, vertical or lateral conductors, service drops, and span or guy wires. (A)</p> Signup and view all the answers

<p>Section F - Clearances between circuits located in the supply space on the same support arm (D)</p> Signup and view all the answers

<p>The area around a communication line where workers must maintain a safe distance. (C)</p> Signup and view all the answers

<p>Section C - Vertical clearance at the support (A)</p> Signup and view all the answers

<p>Wires that run horizontally across a span between two supports. (D)</p> Signup and view all the answers

<p>The size of the conductor (D)</p> Signup and view all the answers

<p>Clearances between conductors at different levels on the same structure. (E)</p> Signup and view all the answers

<p>Protective devices for electrical surges (A)</p> Signup and view all the answers

<p>Ensuring proper grounding of communication conductors (A)</p> Signup and view all the answers

<p>Metal-sheathed communication cable (D)</p> Signup and view all the answers

<p>They must maintain specific clearances from other components (D)</p> Signup and view all the answers

<p>They must be made from non-conductive materials (C)</p> Signup and view all the answers

<p>To establish the minimum acceptable safety standards for electrical design (A)</p> Signup and view all the answers

<p>Constant-current circuits (A)</p> Signup and view all the answers

<p>A basement with significant storage of flammable liquids (D)</p> Signup and view all the answers

Signup and view all the answers

Refers to areas designated for operating equipment energized at more than 600 volts.

Tools and protective gear required when performing tasks on live electrical components.

Areas designated based on the presence of hazardous materials or conditions.

Zones where coal is stored, transported, or processed, necessitating specific safety measures.

Liquids with properties that can ignite and pose fire hazards.

Designated spaces for safely storing flammable liquids to minimize fire risks.

Equipment and infrastructure used for handling gaseous hydrogen, focusing on storage and distribution.

A mixture of propane and butane used as fuel in heating and vehicles.

Strategies to control plant growth near utility lines.

Identification and protection of guy wires used for support.

Standards for the height and position of conductors and equipment.

Recommended positions for conductors to ensure proper spacing.

Categories based on voltage ranges for supply lines.

Guidelines for using structures solely for supply conductors.

Design requirements for specific lines, like those carrying 600 V or less.

Guidelines for managing intersections of different conductors.

The minimum height required for safe clearance of overhead conductors.

Specific heights and distances needed for safe electrical installations.

Spacing required between electrical components based on voltage levels.

The required distance from wires to nearby objects to ensure safety.

The movement of wires caused by wind that affects clearance requirements.

Clearance adjustments when moving from horizontal to vertical setups.

Methods to protect live electrical parts from accidental contact.

Minimum spaces required between wires and various installations like buildings.

The required distances between electrical circuits and other structures to ensure safety.

Minimum distance that supporting structures must maintain from fire hydrants.

Vertical clearances required for wires and equipment above road surfaces.

Distance between supporting structures and railroad tracks for safety.

Rules for maintaining distances of wires, conductors, and equipment aboveground.

Safety distance for unguarded rigid live parts of equipment.

Required space around support arms, switch handles, and equipment cases.

Additional clearances needed for equipment with voltages exceeding 22 kV.

Conductors and cables that are positioned vertically within structures for electrical supply.

Safety measures designed to protect conductors and cables in shared communication spaces.

Required distance that conductors must maintain from through bolts and metal components.

Cables that have a metal coat for protection against interference and damage.

Cables that connect the overhead conductors to a service entrance, typically at a building.

Wires that provide a path to the ground for communication systems, enhancing safety.

Supports designed to hold communication cables away from structures to avoid damage.

Tools used to operate electrical switches or devices remotely to enhance safety.

Standard distances between line wires, conductors, or cables, and service drops of the same or different circuits.

Extra distances mandated when specific conditions or higher voltages are present, exceeding normal requirements.

An area designated for the safety of workers handling communication lines near power circuits.

The measured distance between line wires and conductors at different levels on the same support structure.

Required distances from line conductors to supports, service drops, and other structures attached to the same support.

Specific distances required for circuits exceeding 98 kV ac or 139 kV dc to reduce hazards.

The required distance between conductors on vertical racks or separate brackets, ensuring safe operation.