Republic of the Philippines
ILOILO SCIENCE AND TECHNOLOGY UNIVERSITY
La Paz, Iloilo City
College of Engineering and Architecture
Electrical Engineering Department
Name: Benjhamen Jade L. Palma Date Performed: AUGUST 8, 2023
Course and Year: BSEE – 2 B1 Date Submitted: AUGUST 24, 2023
EELX 305 EE WORKSHOP 1
Basic Building Wiring
INDVIDUAL ACTIVITY
CROSS REFERENCE AWG TO MM2
AWG mm2
30 0.05
28 0.08
26 0.14
24 0.25
22 0.34
21 0.38
20 0.50
18 0.75
17 1.0
16 1.5
14 2.5
12 4.0
10 6.0
8 10
6 16
4 25
2 35
1 50
1/0 55
2/0 70
3/0 95
4/0 120
300MCM 150
350MCM 185
500MCM 240
600MCM 300
750MCM 400
1000MCM 500
Common conductors rated for 600 volts are used in a variety of electrical applications where a
moderate voltage level is required. These conductors are typically insulated to protect against
electrical shock and short circuits. Here are some common conductor materials, applications, and
insulations rated for 600 volts:
Copper Conductors:
THHN/THWN: Thermoplastic High Heat-resistant Nylon-coated conductors. They are used in
dry and wet locations, such as wiring in residential and commercial buildings.
XHHW-2: Cross-linked polyethylene (XLPE) High Heat and Water-resistant insulation. Used in
conduit or open wiring for residential and commercial applications.
USE-2: Underground Service Entrance cables with PVC insulation, often buried directly in the
ground for outdoor electrical service.
Aluminum Conductors:
URD (Underground Residential Distribution): Aluminum conductors with cross-linked
polyethylene insulation, designed for underground residential distribution systems.
THW-2: Thermoplastic Heat and Water-resistant insulation, used in wet or dry locations for
various applications.
Multi-Conductor Cables:
NM (Non-Metallic Sheathed Cable): Typically used in residential wiring for outlets, switches,
and lighting circuits.
MC (Metal-Clad Cable): Used in commercial and industrial applications, it has a metal sheath
for added protection.
Fiber Optic Cables:
600V-rated Fiber Optic Cables: Used in various data communication and networking
applications where optical signals are transmitted over long distances.
High-Temperature Applications:
TGGT Wire: Used in high-temperature applications, often in industrial settings where extreme
heat resistance is required.
Instrumentation and Control Cables:
PLTC (Power-Limited Tray Cable): Used in control circuits, communication, and
instrumentation applications in cable trays.
TC-ER (Tray Cable - Exposed Run): Designed for use in exposed runs or in raceways, often
used in industrial environments.
Solar PV Cables:
PV Wire: Specifically designed for photovoltaic (solar panel) installations, typically rated for
600V.
Portable Cords:
SOOW, SJOOW: Portable cords with oil-resistant, water-resistant insulation, commonly used for
temporary power distribution and equipment connections.
Marine Cables:
Boat Cable (Type III): Used in marine applications on boats and ships for electrical systems.
Aircraft Cables:
MIL-W-22759: Aircraft wires used for aviation systems and military applications.
Keep in mind that the choice of conductor and insulation depends on the specific requirements of
the application, including factors like temperature, environment, and load capacity. Always
consult local electrical codes and standards when selecting conductors and insulations for a
particular project to ensure safety and compliance.
Common Electrical Connectors
1. 8P8C Connector
An 8P8C connector derives its name from the phrase “eight positions, eight conductors.”
As the name implies, this small connector has eight possible positions, each with a corresponding
conductor. It is a kind of modular connector that was originally used in telephone wire
applications, but can serve a variety of other functions as well, such as use in Ethernet jacks. All
four sizes of modular connectors are named according to the number of positions and conductors
they possess, including sizes 4-, 6-, 8-, and 10-. A 10P8C, for example, would feature ten
positions and eight conductors.
The 8P8C connector itself consists of a plug and socket connection, with a matching male
plug and female socket. The plug has eight contacts that line up with the eight conductors of the
outlet to transmit power through the connector. In addition to its use in Ethernet jacks, the 8P8C
connector is also commonly used in computer and communications cabling applications.
2. D-Subminiature Connectors
Like the 8P8C connector, the D-miniature connector is commonly used in computer
applications but has a different capacity:
They act as an important port (RS232) on the modem. Despite the term "subminiature",
today's D-subminiature connectors are relatively large compared to other more modern computer
connectors. In addition to the D-shaped metal component, which protects the connector and
defines its shape, the microscopic D-connector consists of two or more rows of varying numbers
of pins (or sockets), depending on gender. of connector). If there are pins, the connector is male
and called a plug; The corresponding receiving device is called a socket, which contains contacts
to which the pins must connect to transmit power. Capabilities associated with this variant
include protection against electromagnetic interference.
3. DC Connectors
Direct current (DC) connectors provide direct current for a given application. Therefore,
they must be used with care to ensure that the device is not damaged. Common types of DC
connectors include DC plugs and coaxial DC power connectors, which mainly connect the
device to the power source.
4. USB Connectors
Universal Serial Bus connectors are small interface devices that can be used to attach
over 127 devices to a computer. Standard laptops generally feature at least two USB ports to
support external connection via USB connectors, while standard desktop computers feature four
USB ports. Because a USB connector can be plugged in and unplugged while the connected
device is on, it has widespread use in computer systems that continually require attachment and
separation from external devices, as is necessary when transporting data. As with many
connectors, there are multiple USB variants. USB connectors 1.0, 2.0, and 3.0 are available for
both high-speed and low-speed connections, with USB 1.0 models providing connections for
keyboards and mice, and USB 2.0 offering connection to the same devices but at higher speed.
5. Edge connectors
Card edge connectors are discrete devices that work with the edges of single-sided and double-
sided printed circuit boards (PCBs) in order to provide an external electrical connection. There
are industry standards that dictate power parameters such as voltage values, pin configuration
and power requirements. For instance, the PICMG 1.0/1.2 standards define the technical
parameters of peripheral component interconnect (PCI) and industry standard architecture (ISA)
buses.
6. Automotive connectors
Automotive-grade connectors are intended for use in vehicles. Increasingly often, automotive
engineers opt for quick splice connectors in their projects. Such connectors should be resistant to
all weather conditions, water and different kinds of contamination (such as grease), while
providing reliable connection
7. Solar connectors
Solar connectors (also known as photovoltaic connectors) ensure electrical connection in solar
energy systems. The connectors must be resistant to environmental hazards, such as exposure to
UV radiation, extreme temperatures and precipitation. Similarly, to solar panels, solar connectors
are a distinct feature of solar energy systems.
8. Round connectors
Round connectors are multi-pin connectors used mainly in external interfaces. They can be used
for data and signal transmission or feeding power to electrical devices. Some of the round
connectors, which have been designed for mixed-signal transmission, act as power and control
connectors. Such connectors are utilized for power and signal transmission.
9. RF connectors
Radio frequency connectors feature an insulated cable, which is “wrapped” in another cylindrical
conductor (a shield). The cable is then wrapped in yet another insulating layer and an external
protective layer. The RF cables and connectors can transmit large amounts of data. Generally,
they are used in fast data transmission systems and cable television (CATV).
10. Heavy-duty rectangular connectors
Heavy-duty rectangular connectors have been designed to withstand high electrical loads and
transmit direct signals under various working conditions. They are mostly used in industrial
applications, which require high power. Such connectors ensure that power is supplied in a safe
manner.
11. Audio-video connectors
Audio connectors are used for connecting audio equipment, enabling electronic signal
transmission and earthing protection. Most connectors are intended for commercial use, however
some models may be compliant with military standards, for instance. One of the most popular
audio connectors are jack connectors.
