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Working on an energized lattice tower requires emergency response consistent with the associated hazards. What is NOT required as part of the emergency planning: - - ANSWER Daily practice of tower rescue method. Working on an energized lattice tower requires emergency response consistent with the associated hazards, including: - - ANSWER 1. A means to contact the operating authority to de-energize the circuit. 2. Rescue equipment readily available to quickly and safely lower the worker. 3. Regular rescue practices on tower rescue at an appropriate frequency. Z259.14 wooden pole choker devices that are designed and tested to restrict a workers fall distance under dry, wet, and icy conditions are classified as: - - ANSWER Type AB device. The voltage limits and mechanical strength of a live line tool is best specified by: - - ANSWER The manufacturers requirements. Live line tools can be modified to meet the needs of the work. What is NOT an acceptable strategy for tool modification: - - ANSWER A utility worker has evaluated the tool modification and approved the change. Live line tools can be modified to meet the needs of the work. Acceptable strategies for tool modification include: - - ANSWER 1. Changes to the tool do not violate other applicable standards. 2. The tool has been inspected and tested by a professional engineer. 3. The tool modification was approved by an engineer using applicable standards. Insulating hot rope (live line rope) is tested in accordance to ASTM F1701. The purpose of this test is to: - - ANSWER Determine the current leakage under dry and wet rope conditions. Live line rigid cover in compliance with CAN/ULC-61229 includes the following pieces or protective insulating equipment EXCEPT for: - - ANSWER Insulating line hose. Live line rigid cover in compliance with CAN/ULC-61229 includes the following pieces or protective insulating equipment, including: - - ANSWER 1. Conductor cover (air guard). 2. Pole guard. 3. Switch and insulator shields. This statement is true, regarding the application of cover-up on energized high voltage lines: - - ANSWER If left overnight, a visual inspection must be performed at minimum prior to use. What is NOT a fundamental principle of live line work tools: - - ANSWER Valid lab test dates provide sufficient verification of tool dielectric properties. As per CAN/ULC S801, on an electrical distribution overhead utility line circuit, verification of voltage absence can be achieved by: - - ANSWER Using an approved voltage detector. Isolation and tagging (no locks) is acceptable on an overhead distribution circuit under some of the following conditions, EXCEPT for: - - ANSWER The isolation can be operated from the ground directly at the base of a structure. Isolation and tagging (no locks) is acceptable for an overhead distribution circuit under some of the following conditions: - - ANSWER 1. The isolation point is a physical and visual like a line cut or riser removed. 2. The isolation point can only be operated by the operating authority or qualified worker. 3. The isolation point is protected from unauthorized access such as vertical height spacing. Consider that a circuit has been isolated, tagged and grounded. workers returning the next day must: - - ANSWER Visually check grounds to verify they are in good order, secure and test for voltage. For lockout purposes, energy isolating devices shall be labelled or marked using a standardized nomenclature and format to indicate their function. Identification shall include: - - ANSWER The equipment type, energy type, and magnitude. Utilities often use a permitting system due to special circumstances of which conventional lockout is impracticable. The following is NOT a justified approach to this process: - - ANSWER The isolation points are only simple single step actions. A high voltage utility or electrical company is authorized to use Complex Lockout (tag permitting) under what regulatory condition: - - ANSWER A variance application has been approved by the provincial authority. Utilities often use a permitting system due to special circumstances of which conventional lockout is impracticable. The following are justified approaches to this process: - - ANSWER 1. The isolation points are located in remote areas with difficult or restricted access. 2. The length of time to perform the lockout is impracticable. 3. Excessive numbers of persons required to lockout. Work on a distribution line must consider the following items when performing isolation and de-energizing of the circuit.: - - ANSWER 1. Whether there are multiple sources of energy (loop feed) on the circuit. 2. Is the line isolating device capable of interrupting load. 3. Is the line to be subject to inductive or capacitive charge. According to the CAN/ULC S801, what is the LEAST DESIRABLE type of fall protection: - - ANSWER Fall Arrest System (FAS) Within Z259.14 standards fall restriction equipment (FRE) may only be leather in subcomponents or elements that are NOT exposed to: - - ANSWER A dynamic load. As per Z259 standards, energy absorbing lanyards shall be classified according to their ability to absorb the kinetic energy from a fall as follows: - - ANSWER Class E4 (4.0 kN) and Class E6 (6.0 kN) energy absorbing lanyards. Assuming that the fall protection system is correctly being used, in what scenario might the worker still contact the ground if they fell: - - ANSWER Working 16 feet up in a bucket truck on distribution secondary services using a six foot shock absorbing lanyard, connected to the approved bucket anchor. What is NOT defined as a requirement of temporary vertical life lines as per Z259 standards: - - ANSWER 100% polypropylene fibers provide the greatest breaking strength. Requirements of temporary vertical life lines, as per Z259 standards: - - ANSWER 1. Shall be made from synthetic fibers with breaking strength of 27 kN or greater. 2. They shall be free of splices and knots, except at the terminations. 3. They shall be installed to protect against abrasion and sharp edges. It is permissible to use an external retrieval rescue system under what following condition: - - ANSWER There are no significant obstructions to the path of rescue. The frequency requirements for calibration of direct-read atmosphere testing equipment is: - - ANSWER As per the manufacturers recommendations. What must be conducted each time prior to entry into an energized electrical space: - - ANSWER A risk assessment shall be performed to determine the energy source hazards and controls. The content of the confined space permit (where required) DOES NOT need to contain: - - ANSWER Managers approval for entry into the space. The content of the confined space permit (where required) must contain the following: - - ANSWER 1. The date and location entry. 2. Scope of work to be performed inside the space. 3. Record worker entry and exit. A minimum of ___ cal/cm2 is to be worn by electrical workers. - - ANSWER 8 cal/cm2 A worker wearing an FR shirt with a rating of 12 cal/cm2 plus an undershirt that is made of non-melting fabrics can have a combined total cal/cm2 of ___. - - ANSWER 12 cal/cm2 Arc FR clothing shall be cleaned according to what? - - ANSWER Manufacturers recommendations. Arc flash rated clothing shall be worn when: - - ANSWER There is a hazard of arc flash. ATPV stands for: - - ANSWER Arc Thermal Protective Value When performing arc flash assessments, why should consideration be given to low fault energy: - - ANSWER Low fault currents can result in very long clearing times. In a discussion about differences in potential; a second point of contact might be best described as: - - ANSWER Ina pad-mount transformer, the phase conductor on a URD cable grounded 700ft away and the ground rod in the pad mount transformer; and/or co-worker in a 2 man bucket. The specific operational description of a distribution underground 600 amp elbow that includes the designation 'dead-break' means: - - ANSWER The elbow can only be connected or disconnected when the circuit is 'dead'.