Explain nanotechnology. Its advantages, disadvantages with examples or application?

PURPOSE

This information bulletin clarifies the Department of Building and Safety’s (LADBS) requirement

relating to the equipment (product) and wiring approval as delineated in Sections 110.2, 110.3,

93.0401, 93.0402, and 93.0403 of the 2017 edition of the City of Los Angeles Electrical Code (LAEC).

DEFINITIONS

Approved - Acceptable to authority having jurisdiction. {California Electrical Code (CEC), Article 100}

Authority Having Jurisdiction – An organization, office, or individual responsible (i.e., LADBS

Electrical Testing Laboratory or Inspection) for enforcing the requirements of a code or standard, or

for approving equipment, material, an installation, or a procedure. (CEC, Article 100)

Equipment - A general term, including material, fittings, devices, appliances, luminaires, apparatus,

machinery, and the like used as part of, or in connection with, an electrical installation. (CEC, Article

100)

Identified - Recognizable as suitable for the specific purpose, function, use, environment, application,

and so forth, where described in particular code requirement. (CEC, Article 100)

Labeled - Equipment or material to which has been attached a label, symbol, or other accepted

identifying mark (i.e., embossed laboratory logo) of a recognized (approved) testing agency (see

definition) and concerned with product evaluation, that maintains periodic inspection of production of

labeled equipment or materials, and by whose labeling the manufacturer indicates compliance with

recognized national safety standards (see definition). (CEC, Article 100)

Key Questions and Terms Notes

1) Shorter wavelengths means higher frequencies, and that means greater energy.

2) Radio waves

3) The distance between the crests of a wave.

4) The rate at which vibration occurs

5) We use microwaves to heat food. We also use it in cellphones, radio communications, etc.

6) A range of frequencies of electromagnetic radiation.

7) Visible light

8) Visible light contains photons of different wavelengths. The longest wavelengths are red.

9) Radio waves. They have a low energy level and a low frequency.

10) Gamma rays. They have a high energy level and a high frequency.

11) White

12) Longest

13) Shortest

14) Roy G Biv is an acronym. It stands for Red, Orange, Yellow, Green, Blue, Indigo, Violet.

Key Questions and Term Notes (2)

1) Sunlight is made up of all the colors of the rainbow.

2) You can use lenses.

3) The SAGE instrument measures the amount of different gases in the air.