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The CEC states that the service conductors shall not exceed 9 metres (29.5' )above grade or sidewalk.
Service conductors shall not be lower than 5.5 metres (18' )across highways, streets, lanes, and alleys.
Lower than 4 metres (13' ) across driveways to residential garages.
Lower than 5 metres (16' ) across driveways to commercial and industrial premises.
Lower than 3.5 metres (11.5' ) across ground normally accessible to pedestrians only.
The NEC should be very close to these elevations.
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∙ 10y ago
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Can a 200A 240V house panel be fed by number 2 conductors from a service entrance meter panel with 200A main breaker?
Absolutely not. #2awg conductors are only good for about 100 amps depending on Cu or al. see nec table 310-16.
What size cable for 148 amps per NEC?
i would use 2 ought if its for your home. go larger for commercial apps.
At what height is non-metallic sheathed cable considered protected from physical damage in USA?
When run exposed on walls in unfinished basements the 2005 NEC clarifies that the entire length of NM cable run exposed below the "framing members" above that wall, must be protected from physical damage. Also, the end of the protecting sleeve must have a non-metalic bushing. The NEC does not specify a measurement, but it refers to "in exposed work". Everything below the beam is "exposed". The workbook also shows sample sketches that show the protecting sleeve going all the way up to the ceiling beam. If running the cables on the underside of the framing members (beams) physical protection is not required. But smaller size cables require a running board between the cable and the beams. reference 2005 NEC 334.15C
When was NEC created?
NEC was created on 1899-07-17.
What does Nec Metu mean?
Without fear. Sometimes used as a phrase Nec spe, Nec metu - Without hope, without fear
What section of the NEC requires that fittings be identified for use with service masts?
NEC 230.28
How calculate the cable size when give current?
The NEC has a table that shows what size cable to use with each amperage and where it can be used.
Which standard covers the cable sequence in cable trench?
The CEC and NEC both cover this in the electrical code of the particular country.
What are the recommended mounting heights for electrical devices?
There is no minimum height specified by the NEC.
What size copper main bonding jumper is required based on the service entrance conductors being rated at 250 kcmil thwn-thnn copper?
Based on NEC 250.66- #2 copper or 1/0 aluminum.
What mandatory code establishes safety standards for installation cable?
National Electrical Code (NEC)
Is stacking of cables in cable tray permitted?
See NEC Article 392. It depends on the voltage, conductor size and the type of cable tray selected.
What components can use the NEC BNCACABLE BNC Component Video Adapter?
This cable seems to have little function beyond use in NEC video projectors.It's a male HD-15 VGA connector on one end with a 12" cable connecting to a male 5-wire RGBHV BNC connection on the other end.The latter seems to be only used in NEC projectors..
What geographic areas does NEC phone systems service?
There are many geographic areas that the NEC phone systems services. Examples of geographic areas that the NEC phone systems services includes England, Scotland, and Ireland.
Can a 200A 240V house panel be fed by number 2 conductors from a service entrance meter panel with 200A main breaker?
Absolutely not. #2awg conductors are only good for about 100 amps depending on Cu or al. see nec table 310-16.
Will xbox 360 elite connect to 50 nec plasma?
As long as you have the right video connection cable to hook to it, It will work.
What size cable for 148 amps per NEC?
i would use 2 ought if its for your home. go larger for commercial apps.
