0
Want this question answered?
Be notified when an answer is posted
Add your answer:
Earn +20 pts
What is the difference by v-75 PVC sheathed insulation and v-90 v-75 PVC sheathed insulation?
V90 is a higher temperature rating than V75. V90 cables can conduct more current without over heating/melting its insulation. V110 is a higher rating than V90.
How do you figure your celsius rating for wire sizing?
The ambient insulation rating of wires and cables is imprinted on the wire and cables. The labels on the cables will tell you the wire size, number of conductors and temperature rating of the wires and cables. The higher the cable and wire temperature ratings the higher the amount of current that is allowed to be drawn by the wire and cable according to the electrical code book.
What is the basic insulation level of various electrical equipments?
BIL or basic impulse insulation level is the dielectric insulation gradient of a material tested to withstand the voltage stress at a voltage impressed between the material and a conductive surface beyond the BIL rating, an electric tracking starts to occur which will then result into an arcing flashover to the conductive surface. In addition it is the capacity of an equipment to withstand mechanical stress..like lightning strike without causing any damage to the equipment...
If a cable insulation is described as rhw you would be able to use the cable for what maximum temperature?
If a cable insulation is described as RHW, you would be able to use the cable for what maximum temperature
What does the power rating of a transformer imply?
Knowing the power rating of a transformer will help an operator use the transformer within its design limitations with regard to heating of the windings and their insulation.
Can you operate a transformer below kva rating?
What limits the use of a transformer is its operating temperature, as excessively-high temperature will act to break down its insulation. The temperature reached by a transformer is a function of its rating (expressed in volt amperes), so operating a transformer below its rating is perfectly okay.
What is the difference by v-75 PVC sheathed insulation and v-90 v-75 PVC sheathed insulation?
V90 is a higher temperature rating than V75. V90 cables can conduct more current without over heating/melting its insulation. V110 is a higher rating than V90.
What is the maximum temperature rating of a wire's insulation on a conductor?
The four main conductor insulation rated temperatures that are used in the electrical trade are 60, 75, 90, and 105 degrees C.
What material is used for the outer layer of a space shuttle?
High-temperature reusable surface insulation (HRSI) tiles
Does a high rating mean lots of insulation or little insulation?
It depends what you mean by a 'high rating'!If you mean a high 'voltage rating' then, yes, you will require thicker insulation. But if you mean a high 'power rating', then, not necessarily, because the voltage can be low, while the current is high.Remember, the thickness of insulation depends on the voltage, while the type of insulation (how it withstands higher temperatures) depends on the current.
What is the definition of neural insulation?
Neural Insulation is Brain Material.:))There is your answer.
How long for a cable to heat up at maximum current rating?
It depends on the surround material, temperature, type of cable, and what you mean by "maximum current rating". Typically a maximum load current rating will be specified, such as 15A; this means you can push 15A through that cable nonstop without damaging it (it won't overheat). You might have a short time rating as well, such as a 4 hour rating, where the cable can handle runing 22A for 4 hours if the surrounding temperature is kept to some value, though this may slightly degrade the insulation. There's also a fusing current rating for many cables. At this current, the cable will eventually melt (like a fuse).
What material would be safest to use as an insulator to use to cover electrical wires?
When selecting a material for an insulation factor it has to be balanced between flexibility and its insulation properties. Glass would be an excellent insulator but in the electrical field hard to pull through conduit and bending without damaging the insulation. Cross-linked polyethylene fits both the conditions for a wire insulation. The insulation has a high insulation factor plus the ability to bend without damaging the insulation and can operate in a 90 degree C temperature range.
An R-value is a rating for materials used as?
insulation
Is insulation tax exempt?
NO. Insulation material is not exempt from income tax.
What is refractory insulation?
Refractory insulation is defined as insulation for extremely high temperatures. The threshold of temperature of insulation for refractory insulation is > 815 Celsius.
What is the dielectric?
Insulation property of a material
