3RD Q Tle10 - Ia - Eim - q3 - Mod1 - Installingwirewaysandcabletrays - v4
3RD Q Tle10 - Ia - Eim - q3 - Mod1 - Installingwirewaysandcabletrays - v4
3RD Q Tle10 - Ia - Eim - q3 - Mod1 - Installingwirewaysandcabletrays - v4
Technology and
Livelihood Education
Industrial Arts
Electrical Installation and
Maintenance
Quarter 3 - Mo dule 1
Installing Wire Ways and Cable Trays
Department of Education ● Republic of the Philippines
Technology and Livelihood Education Grade 10
Industrial Arts - Electrical Installation and Maintenance
Alternative Delivery Mode
Quarter 3 - Module 1: Installing Wire Ways and Cable Trays
First Edition, 2020
Republic Act 8293, section 176 states that: No copyright shall subsist in any work of
the Government of the Philippines. However, prior approval of the government agency or
office wherein the work is created shall be necessary for exploitation of such work for profit.
Such agency or office may, among other things, impose as a condition the payment of
royalties.
Borrowed materials (i.e., pictures, photos, brand names, trademarks, etc.) included in
this module are owned by their respective copyright holders. Every effort has been exerted to
locate and seek permission to use these materials from their respective copyright owners. The
publisher and authors do not represent nor claim ownership over them.
Published by the Department of Education - Division of Bukidnon
Management Team
Chairperson: Arturo B. Bayocot, PhD, CESO III
Regional Director
What’s New
This lesson allows the student to prepare, familiarize and install essential
things needed in installing wire ways and cable trays. So, explore and experience
the lesson in the preparation, installation and safety precautions during the cable
trays and wire ways installation.
Think of It!
Each building has issues with cable management. The link plate and wire
ways framework help compose the links for them to be out of sight. They are
ensured as opposed to uncover and to save money on costly fix cost it likewise
ensured. Aesthetic structures and additional wire ways can address changing
issues through development or reconfiguration.
Before discussing the lesson in this module, there are terms used that need
to be defined for you to understand the concepts before proceeding to the activity.
Definition of Terms
Philip Screw Driver - has a cross tip resembling a positive (+) sign. This is used
to drive screws with cross slot heads.
Claw Hammer - is a hammer with one side of the head split and curved and
used for extracting nails.
Hacksaw - is a tool used to cut metal conduit and armored cable.
Clamps - are electrical materials used to hold and anchor electrical conduits in
its proper position.
Channel - is a metal bar of flattened U shaped.
1
Equipment - is any tool that uses electricity or any material that protects from
irregularities.
Hinge - is a flexible joint.
ink plate - is also called cable tray or cable ladder.
Mounting- something that could be attach with another component.
NEC - means National Electrical Code.
Trough - It is channel where the wire ways and cables pass through.
What Is It
Cable Tray
It is a framework that grants safe wires transport across open ranges and
gives protection from overheating. It is a connection of the load up structure which
is created by entering or leaving the new or existing wires in the plate. These are
used to manage considerable bundle and shield them from any damages.
Wire Ways
Wire ways are intended to protect links from natural contaminants, for
example, dust, soil, oil and dampness. These are sometimes known as troughs or
gutters inside the electrical framework.
Cable Trunking
It is an enclosed area for most part with a rectangular cross segment and
with one removable or hinged side that is utilized to secure links and give space to
other electrical gear.
Tools and Equipment Needed for the Installation of Cable Trays and Wire
Ways
The common tools and equipment needed in installation of wire ways and
cable trays are:
3
Spirit Level
Cable tray systems are replacements to wire ways and electrical conduit,
which completely enclose cables. Cable trays are capable of assisting all types of
wirings such as:
Purpose:
The choice of cable tray depends upon the number of cables, size, spacing,
and weight of cable in the tray.
Ladder cable tray has two side rails connected by rungs. This type of cable
tray is operative because the ladder rungs give you easy accessibility to the
cables from the top or bottom.
The stairs of the ladder cable trays provide convenient anchors for trying
down the cables in the non-horizontal cable tray runs or where the positions of
the cable must be maintained in the horizontal cable tray runs.
This consists of a ventilated end with side rails. It provides more support
to cables than the ladder-type.
Wire mesh cable tray, also called basket cable tray, is a kind of cable tray
made of stainless-steel wires by welding wires together forming a basket-like
mesh. Cable trays are mainly used for low voltage, telecommunication, and fiber
optic cables supported on short spans.
Channel cable tray is a metal tray that can be used for very small cable
installations.
Materials
1. Metallic
2. Non-Metallic
Precautions
The most important issue is to ensure that the bend radius for the fiber-
optic
6
or coaxial cable is maintained within the standards.
Flammable dust and clutter may accumulate if the trays are not routinely
checked and kept clean.
Advantages
1. Less expensive
One of the big advantages in using a cable tray is it has a lower cost as
compared to other methods of protecting wiring on the production floor.
2. Maintenance
3. Safety
Disadvantages
The solid bottom cable tray system has a disadvantage. Moisture can back
log in the trays. The wire ways are typically produced as a metallic or non-metallic
channel with hinged or removable covers so that the cables contained are well
protected but still accessible.
Types
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Activity 1
What’s More
A. Multiple Choice
Directions: Choose the letter of the best answer. Write the chosen letter on
a separate sheet of paper.
B. Classification
Directions: Classify the words found inside the box whether it is a cable tray or
wire ways. Write your answers on a separate sheet of paper.
Activity 2
Directions: Match the word with the image shown below. Write the letter of
the corresponding answer on the space provided before the
number of the image. Copy your answer on another sheet of
paper.
1. 2. 3.
4. 5. 6.
9
7. 8. 9.
10.
Directions: Complete the statements by writing the word or words on the blank.
Write your answers on another sheet of paper.
What I Can Do
Activity 4
1. Name at least ten (10) electrical tools used for installation of cable trays
and wire ways.
2. What is the importance of using cable tray and wire ways?
3. Why do you need to follow weight instruction on inserting a cable?
Assessment
Multiple Choice
Directions: Choose the letter of the best answer. Write the chosen letter on a
separate sheet of paper.
1. It is a hand supported, power driven machine tool that rotates and twists
drills.
a. open-end wrench c. cable tray
b. portable electric tool d. offset bolt cutters
2. It is a flexible ruler used to measure size or distance.
a. spirit level c. hacksaw
b. measuring tape d. cut edge sealant
3. It is a plier intended for cutting wires.
a. hacksaw c. wire cutter
b. cut edge sealant d. offset bolt cutters
4. It is smaller than a maul or beetle and is usually used in carpentry to knock
wooden pieces together or drive dowels or chisels.
a. spirit level c. hammer
b. hacksaw d. flat file
5. It is a fine-toothed saw mainly made for cutting metal.
a. hacksaw c. wire cutter
b. cut edge sealant d. offset bolt cutters
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6. It can be used as substitute to sharpen tools with blade, file materials or for
reburying.
a. spirit level c. hammer
b. hacksaw d. flat file
7. It is a wrench which is often double ended with different-sized opening at
each end.
a. spirit level c. hammer
b. hacksaw d. open-end wrench
8. It has a slot on its top that looks like a cross.
a. flat file c. philip screw driver
b. hacksaw d. hammer
9. It is the system that supports and protects both power and signal cables
and facilities upgrading, expanding, reconfiguring, or relocating networks.
a. hammer c. cable tray
b. wireways d. spirit level
10. It is a level instrument designed to indicate whether horizontal or vertical.
a. spirit level c. hammer
b. hacksaw d. flat file
11. It is the only kind of screw that is strong enough to penetrate concrete.
a. concrete screws c. philip screw driver
b. cable clips d. flat file
12. Also called as bolt cropper, it is a tool used for cutting padlocks, bolts and
wire mesh.
a. offset bolt cutters c. hammer
b. screw bolts d. flat file
13. It is a cable mounting and management tool used for securing cables and
wirings to fixed points.
a. cable clips c. flat file
b. hacksaw d. cable tray
14. It is used to seal cut edges of TPO membrane providing a water proof
barrier where scrim reinforcement is exposed.
a. cut edge sealant c. flat file
b. hammer d. cable tray
15. These are wires or cables that must be strung through; these may still
have a hinged lid to allow cable access.
a. lay-in c. cable tray
b. cable trunking d. pull trough
12
What’s New
In this new generation, the things that are advantageous must be applied to
have a convenient and secured environment. With this, the cable tray and wire
way installation intend to be part of that change in terms of quality, safety and cost
efficiency of materials.
The installation of this system provides assurance that it will last longer.
The installer for this system can easily attach new suggested component and be
able to determine whether there is irregularity of the timeworn installed cables on
the tray or it can be easily removed or fixed.
What Is It
Cable trays and their supports should be strong enough to meet the load
requirements of the cable management system including links or any future link
options and some other extra loads applied to the framework. Support systems
can be broken down into a number of elements or components. To design a safe
system, it is necessary to check each element to ensure that:
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it can securely support the load being inserted upon it,
the proposed fixing to contiguous segments are likewise adequate for
the intended load, and
any declared diversion limits are not exceeded.
I. Beams
Any installed cable ladder, link plate or cable tray support system can be
considered structurally loaded beam. There are four basic beam structures found
in a usual installation.
Source: www.google.com
B. Fixed Beam
Source: www.google.com
C. Continuous Beam
Source: www.google.com
A continuous beam has good numbers of intervals that makes it close
to the links.
14
D. Cantilever Beam
Source: www.google.com
It has brackets which are used to support cable ladder or cable tray.
These are being fixed to the structure at one end only. For cable ladder or cable
tray installations, it is normal to consider the cable load to be uniformly
distributed along the length of the cantilever arm.
When a support is fixed to a system using a channel nut and set screw,
there are two safe working load values (slip and pull out).
Source: www.google.com
III. Brackets
Structure brackets of all types are generally used to aid in the onsite
fabrication of a support construction.
• Insert the channel nut between the flanges of the channel and rotate it
clockwise until the slots in its face align with the channel flanges.
• Fit-in the flat washer to the given screw.
• Fit in the bracket such that the holes are aligned with the channel nut
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and put it over the channel.
• Pass the set screw (with washer fitted) through the hole in the bracket and
into the channel nut.
• Tighten the set screw to the necessary rotation.
The example below is the detail of a 90º angle bracket in combination with
channel and relevant fixings.
Source: www.google.com
V. Beam Clamps
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Over the hole of the bracket, insert the channel.
Fit in the cone pointed set screw through the threaded fixing hole in the
bracket
Place the inner face of the beam clamp against the support structure.
Tighten the set screw to fix the beam clamp in place.
Source: www.google.com
Window Type ‘U’ Bolt Type
‘U’ bolt type beam clamps are generally used to attach lengths of channel
section to existing supporting beams and are generally fixing channel to beam for
heavier loads.
Place the ‘U’ bolt over the channel and insert it through the holes in
the bracket.
Put in the flat washers and nuts to the ‘U’ bolt.
Position the ‘U’ bolt such that it rests against the edge of the existing
supporting beams.
Tighten up the nuts to attach the beam clamp in place.
Attach the channel nuts between the flanges of the channel and rotate it
clockwise until the slots align with the channel flanges.
Attach the flat washers to the given screws.
Place the cantilever arm such that the clearance holes in the back plate
are aligned with the threaded holes in the channel nuts.
Put on the set screws (with the washer) through the holes in the back
plate into the channel nuts.
Tighten up the set screws.
17
Source: www.google.com
Trapeze hangers are appropriate for use with cable ladder and cable tray
assisted by threaded rods hung from ceiling brackets, channel support systems or
from beam clamps attached to steel beams.
Source: www.google.com
Source: www.google.com
18
Source: www.google.com
Wall support brackets are effective ways of fitting any width of cable tray,
running either vertically or horizontally to a vertical foundation.
Source: www.google.com
19
XII. Hold Down Brackets and Clips
Hold down brackets and clips are used for providing protection to cable
ladder and cable tray for horizontal supports.
Source: www.google.com
Proper Installation, Bending and How to Do Wire Reduction for Wire Mesh
Cable Tray
Basic Steps In Cutting Wire Mesh Cable Tray Using Bolt Cutters
1. Face tray up. Slide the cutter next to vertical wire and
cut.
2. Turn tray to the side with the open side facing you.
And then repeat step 1 to cut wire.
3. Finish cutting all the side wires.
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4. Turn tray to the open-side down and cut wires from
bottom of tray.
Source: flextray-wire-basket-section-cable-tray-catalog
Cut the required number of wire side sections listed in the chart.
21
Reducers
Source: flextray-wire-basket-section-cable-tray-catalog
Vertical Inside and Outside Bends
22
Source: flextray-wire-basket-section-cable-tray-catalog
23
This is the usual wire ways installation.
B. Directions: For numbers 11-15, please write the right steps in cutting mesh
cable tray using bolt cutters from start to end using the letters
A, B, C, D or E.
_______ 11. Turn tray to the side with the open side facing you. And then
repeat step 1 to cut wire.
_______ 12. Face the tray up. Slide the cutter next to vertical wire and cut.
_______ 13. Finish cutting all the side wires.
_______ 14. Polish cutting by moving to other side of tray to cut the left over
wires.
_______ 15. Turn tray to the open-side down and cut wires from bottom of
the tray.
Column A Column B
_____ 1. a. 90 ͦ Horizontal Bend (Long Radius}
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_____ 2. b. Cantilever Beam
_____ 4.
d. Base Plates
_____ 9. i. Reducer
Activity 3
A. Directions: Label each item on a wire way setting. Put your answers on a
separate sheet of paper.
1. _________
2. _________
3. _________
4. _________
5. _________
6. _________
7. _________
B. True or False
What I Can Do
Activity 4
1. What are the seven (7) basic steps in installing wire ways?
2. What are the four (4) types of beams?
3. What are the advantages that the cable tray system brings to our structure
when installed?
4. If you find some disadvantages of cable tray installation, what are those?
What are your personal suggestions to remedy this matter?
Assessment
Multiple Choice
Directions: Choose the letter of the best answer. Write the chosen letter on a
separate sheet of paper.
1. This allows tray to be supported from a single threaded rod giving easy
entrance for laying cables from one side of the tray only.
a. overhead hangers c. cantilever
b. fixed beam d. channel nuts
2. It is the process of wire mesh cable tray set-up.
I. Turn the tray to the side with the open side facing you. And then
repeat step 1 to cut wire.
II. Face the tray up. Slide cutter next to vertical wire and cut.
III. Finish cutting all side wires.
IV. Polish cutting by moving to other side of tray to cut left over wires.
V. Turn tray to the open-side down and cut wires from bottom of tray.
a. I, II, III, IV, V c. II, I, III, V, IV
b. II, I, IV, V, III d. I, III, IV, II, III
3. It is attached to the vertical lengths of channel section to a well-founded floor
and are usually connected to channels.
a. overhead hangers c. base plates
b. cantilever beam d. channel nuts
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4. It has brackets which are used to support cable ladder or cable tray. These
are being fixed to the structure at one end only.
a. overhead hangers c. base plates
b. cantilever beam d. channel nuts
5. It is an effective way of fitting any width of cable tray.
a. wall support bracket c. base plates
b. cantilever beam d. channel nuts
6. It is any installed support system that is structurally loaded and is considered
as _____.
a. beams c. brackets
b. channel nuts d. base plates
7. The process of base plates attached to vertical lengths of channel section.
I. Locate the channel nuts into the channel sections.
II. Insert the channel section into the base plate.
III. Arrange in a line the channel nuts with the fixing holes in the base
plate.
IV. Fit in the set screw and flat washers through the base plate and
into the channel nuts.
V. Tighten up the set screws.
a. III, I, V, IV, II c. IV, I, V, III, II
b. IV, I, V, II, III d. III, I, II, V, IV
8. It is appropriate to use the cable ladder and cable tray assisted by threaded
rods hung from ceiling brackets.
a. trapeze hangers c. cantilever arm
b. brackets d. base plates
9. Hold down brackets and clips are used for providing protection to cable
ladder and cable tray to horizontal supports.
a. hold down brackets and clips c. brackets
b. continuous beam d. trapeze hangers
10. It has good numbers of intervals that have a closer linking.
a. continuous beam c. trapeze hangers
b. hold down brackets and clips d. brackets
11. How do you use brackets with channels?
I. Fit in the bracket such that the holes are aligned with the channel
nut and put it over the channel.
II. Insert the channel nut between the flanges of the channel and
rotate it clockwise until the slots in its face align with the channel
flanges.
III. Tighten the set screw to the necessary rotation.
IV. Fit-in the flat washer to the given screw.
V. Pass the set screw (with washer fitted) through the hole in the
bracket and into the channel nut.
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a. I, IV, II, V, III c. II, III, IV, I, V
b. II, IV, I, V, III d. I, IV, V, II, III
12. It is used for securing cable in the wire way.
a. channel nuts c. cable clip
b. cable tray d. beam clamp
13. Using the ‘U’ bolt clamps, how do you attach the lengths of channel section
to current supporting beams?
I. Position the ‘U’ bolt such that it rests against the edge of the
existing supporting beams.
II. Put in the flat washers and nuts to the ‘U’ bolt.
III. Tighten up the nuts to attach the beam clamp in place.
IV. Place the ‘U’ bolt over the channel and insert it through the holes
in the bracket.
a. I, II, III, IV c. IV, III, II, I
b. IV, II, I, III d. I, II, IV, III
14. Which of the following figures is 90° horizontal bends (long radius)?
a. c.
b. d.
15. Which of the figures below is vertical inside and outside bend?
a. c.
b. d.
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What’s New
Link plate can give a safe component of a power, low voltage control, data
or telecommunication wiring distributions and wiring distribution system. Cables in
trays can be easy to mark, find, and remove. Their adaptability settles on link plate
or cable trays and decent decision for establishment circumstances that requires
upgrading, reconfiguring or development.
Pursuant to the Occupational Safety and Health Act, managers must agree
to an OSHA-affirmed state plan. In addition, pursuant to section 5(a) (1), the
General Duty Clause of the Act, employers must provide their employees with a
good workplace free from recognized hazards that cause death or serious
physical harm.
31
What Is It
When cable trays are overloaded, excessive heat build-up in and around
live conductors can cause the insulation to break down that lead to potential fires.
Fires can occur either in the cable tray (which may provide a fire path) or in
combustible materials near the cable tray.
Source: shutterstock.com
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Every job site has natural dangers, whether those are large, heavy
machinery, conveyor belts, or even tripping over items in the office. The best way
to keep yourself safe is to be aware of your surroundings. The more acclimated
you are with the tasks and workplace, the more aware you have to be of the
potential hazards. Knowing the environment and being aware of potential hazards
will help you and the co-workers to avoid dangerous circumstances.
Source: google.com
The old saying, “lift with your legs-not your back,” in any case, keeps the
right stance alludes to something other than workers who lift things consistently.
When working at a desk, ensure to have great posture to maintain a strategic
distance from back issues, neck torment, and even carpal tunnel. When lifting
electrical equipment, be sure to keep the back straight and lift with the legs. If
something to lift is too heavy, take a few seconds to find the manual or automatic
aid that can help or lift with an accomplice.
Source: shutterstock.com
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4. Never take shortcuts on your safety.
Source: shutterstock.com
Source: shutterstock.com
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7. Report unsafe settings.
Source: google.com
The best way to prevent risky conditions from happening is to report them
to managers when these are noticed and part of the solution. The supervisor is
legally obligated to provide all employees with safe working environment and deal
with any hazardous conditions. If ever there are hazardous conditions occurring, It
is also important to always report as soon as possible to keep the employer,
supervisor or employees safe. Work together to find a way to prevent the unsafe
condition from happening again in the future.
Source: victorstock
Finally, make sure to always wear the personal protective equipment (PPE)
provided by the employer. Regardless whether it is something as little as earplugs,
or something as extensive as a compound suit, this PPE should be genuine in
purpose. Wearing the right PPE for the job being performed is a simple way to
keep safe from injury.
Source: www.google.com
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Keep the collar and pockets buttoned. Do not wear oily or greasy clothing.
Never install when the body is exposed. On the off chance that electrical suit or
cover is not accessible, wear a spread dress instead of cotton since it gives better
protection.
Source: www.google.com
3. Goggles
Source: www.google.com
This is for eye protection. Do not start using electric drill or any electrical
equipment unless the eyes and those of other workers near the one operating or
doing the task are protected by safety glasses.
Source: www.google.com
Wear leather gloves at all times to protect the hands from cut or direct
exposure to electricity when installing.
5. Hearing Protectors
Source: www.google.com
6. Safety Footwear
Source: www.google.com
Wear safety shoes to protect the foot from heavy tools or materials that will
be used.
1. Seiri - Sort
Source: https://leanmanufacturingtools.org
2. Seiton - Systematize
• Arranging of essential things in great request and simple access
• Things in the work environment are arranged for comfortable access and
repeated use.
Source: https://leanmanufacturingtools.org
3. Seiso - Sweep
• Cleaning of the working environment after use
37
Source: https://leanmanufacturingtools.org
Source: https://leanmanufacturingtools.org
Source: https://leanmanufacturingtools.org
What’s More
Activity 1
A. Directions: Read the statements below. Identify which among the 5S of good
housekeeping each statement belongs. Select from SEIRI,
SEITON, SEISO, SEIKETSU or SHITSUKE. Write the answers on
another sheet of paper.
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1. It refers to the sorting of clutters from the other items within the work area
that are actually needed.
2. It is ensuring that the company continually improves using the previous
stages of 5S.
3. It conducts audit and so forth.
4. The standard work is one of the most important principles of every
manufacturer.
5. This will ensure that any non-conformity stands out, such as oil leak from a
machine onto a bright, newly painted clean floor.
6. It is the cleaning of the area, tools, machines and other equipment to ensure
that everything is returned to a “nearly new” status.
7. It is the arranging of everything in an effective manner through the use of
ergonomic principles and ensuring that every item “has a place and
everything is in its place.
8. The process of ensuring that what is done within the first three stages of 5S
become standardized.
9. It is ensuring that there are common standards and ways of working.
10. It means maintaining the housekeeping.
Directions: Match the word with the image. Write the letter of the
corresponding answers on the space provided before the number.
Transfer these on another sheet of paper.
A. Seiketsu F. Safety Shoes
B. Protective Clothing G. Leather Gloves
C. Seisu H. Hard Hat
D. Seiri I. Googles
E. Seiton J. Ear Muff
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1. 2. 3.
4. 5. 6.
7. 8. 9.
10.
1. Employers must give their workers a decent working environment and free
from perceived dangers that may cause death or serious physical harm.
2. Not all workers desire to work in a safe and protected atmosphere.
3. Cable trays are not raceways.
4. Cables in trays can be damaged by properly securing and installing other
cables and wires in the same cable tray.
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5. The best way to keep yourself safe is not being aware of the surroundings.
6. If you ever need to lift something you think might be too heavy, take a few
seconds to find a mechanical aid that can help you or lift with a partner.
7. Tired workers are the most prone to accident.
8. Shortcuts lead to injury and are not worth the small amount of time they
might save you.
9. Wearing the correct PPE for the job you are performing is just another way to
keep safe from injury.
10. Place anything in front of an emergency exit door.
What I Can Do
Activity 4
1. Among the eight (8) suggested practices and tips that will help eliminate
shop accidents, what is the most important?
2. Why do you need to consider safety as the first basic tool?
Assessment
Multiple Choice
Directions: Choose the letter of the best answer. Write the chosen letter on a
separate sheet of paper.
1. This stage requires the team to remove all items that clearly do not belong
in the working area.
a. seiton c. shitsuke
b. seire d. seisu
2. What PPE is suitable for protection of falling debris?
a. hard hat c. protective clothing
b. goggles d. hearing protectors
3. The more accustomed you are with the job, the more you are aware on the
potential hazards.
a. Keep correct posture. c. Be aware of your surroundings
b. Take regular breaks. d. Report unsafe condition.
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4. This means ensuring that the company continually improves using the
previous stages of 5S.
a. seiketsu c. shitsuke
b. seiton d. seisu
5. What PPE is suitable for avoiding unnecessary noise caused by equipment
during the installation process?
a. hard hat c. gloves
b. goggles d. hearing protectors
6. What PPE is suitable for protecting your eyes?
a. protective clothing c. gloves
b. goggles d. hearing protectors
7. Standard work is one of the most important principles of every manufacturer.
a. seiketsu c. shitsuke
b. seiton d. seisu
8. It is the process of taking the required items that are remaining after the
removal of litter.
a. seiton c. shitsuke
b. seire d. seisu
9. It protects the foot from heavy tools or materials and sharp objects.
a. hard hat c. protective clothing
b. safety shoes d. hearing protectors
10. If something seems not in the right place, ______.
a. Keep correct posture. c. Be aware of the surroundings.
b. Take regular breaks. d. Report unsafe condition.
11. This PPE is made out of leather for protection of the hands during
installation.
a. safety shoes c. gloves
b. goggles d. hearing protectors
12. If you are tired from the working environment, ______.
a. Keep correct posture. c. Be aware of your surroundings.
b. Take regular breaks. d. Report unsafe condition.
13. When working, do not skip on the procedure for it will lead you to accident.
a. Take regular breaks. c. Keep correct posture.
b. Never shortcuts on the procedure. d. Report unsafe
condition.
14. When lifting heavy objects, what is the first thing you need to consider?
a. Keep correct posture. c. Take regular breaks.
b. Never shortcuts on the procedure. d. Report unsafe
condition.
15. This means ensuring that there are common standards and ways of
working.
a. seiketsu c. shitsuke
b. seiton d. seisu
42
Answer Key
43
References
National Electrical Code (NEC) FG 1-1993.
beama_tray_and_ladder_practiceguide pdf.
flextray-wire-basket-section-cable tray-catalog
unitrayinstallation pdf.
shutterstock.com
victorstuck.com
www.google.com
https: //leanmanufacturingtools.org.
44