CUSP - T&D
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Terms in this set (151)
As per CAN/ULC S801, on an Using an approved voltage detector.
electrical distribution overhead
utility line circuit, verification of
voltage absence can be achieved
by:
Isolation and tagging (no locks) is The isolation can be operated from the ground
acceptable on an overhead directly at the base of a structure.
distribution circuit under some of the
following conditions, EXCEPT for:
Isolation and tagging (no locks) is 1. The isolation point is a physical and visual like a
acceptable for an overhead line cut or riser removed.
distribution circuit under some of the 2. The isolation point can only be operated by the
following conditions: 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 Visually check grounds to verify they are in good
isolated, tagged and grounded. order, secure and test for voltage.
workers returning the next day must:
, For lockout purposes, energy The equipment type, energy type, and magnitude.
isolating devices shall be labelled or
marked using a standardized
nomenclature and format to indicate
their function. Identification shall
include:
Utilities often use a permitting The isolation points are only simple single step
system due to special circumstances actions.
of which conventional lockout is
impracticable. The following is NOT a
justified approach to this process:
A high voltage utility or electrical A variance application has been approved by the
company is authorized to use provincial authority.
Complex Lockout (tag permitting)
under what regulatory condition:
Utilities often use a permitting 1. The isolation points are located in remote areas
system due to special circumstances with difficult or restricted access.
of which conventional lockout is 2. The length of time to perform the lockout is
impracticable. The following are impracticable.
justified approaches to this process: 3. Excessive numbers of persons required to
lockout.
Work on a distribution line must 1. Whether there are multiple sources of energy
consider the following items when (loop feed) on the circuit.
performing isolation and de- 2. Is the line isolating device capable of
energizing of the circuit.: interrupting load.
3. Is the line to be subject to inductive or capacitive
charge.
Leave the first rating
Save
Terms in this set (151)
As per CAN/ULC S801, on an Using an approved voltage detector.
electrical distribution overhead
utility line circuit, verification of
voltage absence can be achieved
by:
Isolation and tagging (no locks) is The isolation can be operated from the ground
acceptable on an overhead directly at the base of a structure.
distribution circuit under some of the
following conditions, EXCEPT for:
Isolation and tagging (no locks) is 1. The isolation point is a physical and visual like a
acceptable for an overhead line cut or riser removed.
distribution circuit under some of the 2. The isolation point can only be operated by the
following conditions: 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 Visually check grounds to verify they are in good
isolated, tagged and grounded. order, secure and test for voltage.
workers returning the next day must:
, For lockout purposes, energy The equipment type, energy type, and magnitude.
isolating devices shall be labelled or
marked using a standardized
nomenclature and format to indicate
their function. Identification shall
include:
Utilities often use a permitting The isolation points are only simple single step
system due to special circumstances actions.
of which conventional lockout is
impracticable. The following is NOT a
justified approach to this process:
A high voltage utility or electrical A variance application has been approved by the
company is authorized to use provincial authority.
Complex Lockout (tag permitting)
under what regulatory condition:
Utilities often use a permitting 1. The isolation points are located in remote areas
system due to special circumstances with difficult or restricted access.
of which conventional lockout is 2. The length of time to perform the lockout is
impracticable. The following are impracticable.
justified approaches to this process: 3. Excessive numbers of persons required to
lockout.
Work on a distribution line must 1. Whether there are multiple sources of energy
consider the following items when (loop feed) on the circuit.
performing isolation and de- 2. Is the line isolating device capable of
energizing of the circuit.: interrupting load.
3. Is the line to be subject to inductive or capacitive
charge.
