Quiz 1 - Electrical Design

Below is a IMPORTANCE AND RELEVANCE OF DRAWING EXCEPT

• Save Time

• Make more money

• Save money

• Prevent injury

What is mean by Save Time in term of Electrical Drawing

• Electrical wiring diagram can help people plan for the exact type and length of wire that the various part of the project will require

• Electrical wiring diagrams can help technicians anticipate areas of building that might have the potential for injury

• One ways to avoid this delay is to use electrical wiring diagram. The diagram contains key areas of the structure that professionals can anticipated as causing potential problems before they even get there.

• The most effective form of medical treatment is to prevent the problem in the first place

Below are CATEGORIES OF ELEVTRICAL DRAWING AND THEIR CHARACTERISTICS EXCEPT

• Ladder Diagram

• Wiring Diagram

• One Line Diagram

• Floor Plan

What is Line diagram

• Use electrical symbols like the ladder diagram but they try to show the actual locations of the components.

• Simplified way to represent a three-phase power system

• That shows the function of an electrical circuit using electrical symbol

What is Wiring Diagram

• Use symbols that indicate function of equipment, but the symbols do not look like the actual equipment

• Emphasize connections between elements of a circuit or system

• Use horizontal and vertical lines to show system flow

• Drawing layout is done to show the "flow" of the system as it functions, not the physical layout of the equipment

What is Schematic Diagram

• Use symbols that indicate function of equipment, but the symbols do not look like the actual equipment

• Place equipment and wiring on drawing to approximate actual physical location in real circuit

• Use simplified pictorials that clearly resemble circuit/system components

What is this symbol?

• Contactor

• Isolator

• Alarm Push Button

• Circuit breaker

What is this symbol

• Air-conditioning unit

• Water heater

• Water cooler

• Main switch board

What is this symbol?

• One Tube 36w Channel Luminaire

• One Tube 18w Channel Luminaire

• Two Tube 18w Channel Luminaire

• Two Tube 36w Channel Luminaire

What is best description about Single-Line

• Shown to represent three phase of three phase power system.

• You can see the positive, negative, ground cables of a DC system, and L1, L2, (L3 on three phase) Neutral and Ground cables on an AC system

• Each positive and negative line is represented as a single line