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nydimaria [60]
3 years ago
11

In older existing installations, where an equipment ground does not exist in a metal switch box that is located within reach of

a conductive floor such as tile or cement, NEC 404.9(B) requires the use of what kind of faceplate
Computers and Technology
2 answers:
Irina18 [472]3 years ago
8 0

Answer:

A metal faceplate with grounding means

Explanation:

metal faceplate with grounding means is required in older existing installations, where an equipment ground does not exist in a metal switch box that is located within reach of a conductive floor such as tile or cement.

Nutka1998 [239]3 years ago
7 0

Answer:

The NEC requires the use of a metallic faceplate for this situation.

Explanation:

NEC 404.9(B) requires a metal faceplate having a means for grounding to be used in older installations where there is no ground for an equipment in a metal box switch located within a conductive floor. There is however an exception which states that as long as the wiring method does not have anything to do with an equipment-grounding conductor, it is required that a snap switch that is wired and located within reach of conductive floors must have a nonmetal faceplate or protected by an interrupter.

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5 0
2 years ago
Encrypt the message ENCRYPTION using a tabular transposition cipher with encryption keyword ONE. If necessary, pad the message w
vfiekz [6]

Answer:

Encrypted message: CPONYIERTN

Explanation:

Message = ENCRYPTION

keyword = ONE

keyword ONE is of length 3 so the rows are of length 3

Permutation is given by the alphabetical order of the letters in the keyword ONE. Here E appears first in alphabet, then comes N and in last comes O so the order would be 321.

Now the message ENCRYPTION is written in tabular form with width of the rows defined by a keyword ONE

O     N     E

3      2      1

E      N     C

R      Y     P

T       I     O

N

Now this message is read by the column in alphabetic order of the keyword ONE.

Since alphabetic order of E is 1 so the column under E is read first which has the letters:

CPO

Then column under N is read which has the letters:

NYI

In the last the column under O is read which has the letters:

ERTN

So the encrypted message is:

CPONYIERTN

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3 years ago
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Answer:

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4 years ago
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3 years ago
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