0
A #3 copper wire with an insulation rating of 90 degree C has the capacity to receive 105 amps. This is the most common or standard insulation that most calculations are based on. It is the insulation that governs the rating of the voltage. House wiring cables are insulation rated at 300 volts. Most other wiring insulation is rated at 600 volts. Special wires have a insulation factor of 1000 volts. The higher the insulation temperature factor is the higher the rating of current through the wire becomes. #3 at 60C is 55 amps, at 75C 65 amps, at 90C 105 amps, at 110C 120 amps, at 125C 130 amps, and at 200C 145 amps.
Wiki User
∙ 14y ago
Wiki User
∙ 16y agoIt depends more on the insulation type not the voltage A very common wire type is THHN According to NEC (electrical standard popular in the USA) this type wire in size #12 is rated for 30 amps, but there is a footnote that states it can only be used for 20 amps maximum
Add your answer:
Earn +20 pts
What gauge wire would you need to carry 100 amps at 12 volts dc?
A #3 copper wire with an insulation factor 90 degree C is rated at 105 amps.
What gauge wire for 240 volt at 40 amps?
The ampacity of a # 10 copper wire with an insulation factor of 90 degrees C is 30 amps. All wire voltage ratings usually drop into two categories 300 volts and 600 volts. Home wiring drops into the 300 volt range and commercial, industrial, drops into the 600 volt range.
Does 50 amps rated at 240 volts equal 100 amps rated at 120 volts?
When you multiply amps x volts the product is watts. Using this formula W = Amps x Volts should give you your answer.
What gauge of wire is needed for a baseboard heater 1000 watt 240 Volt 4.2 Amp?
I would use #12. THHN #12 is rated for 30 amps. <<>> The minimum size wire that you can use, to save overhead costs, is #14 wire which is rated at 15 amps. Home wiring cable has a rating of 300 volts. Also the above answer is wrong, #12 is only rated at 20 amps. If you have doubts about an answer check out the answerer's bio by clicking on their name.
How many amps can 8 gauge carry?
A #8 copper wire with an insulation rating of 90 degrees C is rated at 45 amps.
What gauge wire would you need to carry 100 amps at 12 volts dc?
A #3 copper wire with an insulation factor 90 degree C is rated at 105 amps.
What size copper wire do you need for 240 volts 16 amps at 150ft?
10 gauge
What size wire to carry 8 amps at 120 volts?
A # 14 copper conductor will be fine to carry 8 amps at 120 volts. This size conductor is rated at 15 amps.
What gauge wire would you need to handle 14 amps at 120 volts?
You would need to use a #12 copper conductor to continuously draw 14 amps at 120 volts.
What gauge wire for 240 volt at 40 amps?
The ampacity of a # 10 copper wire with an insulation factor of 90 degrees C is 30 amps. All wire voltage ratings usually drop into two categories 300 volts and 600 volts. Home wiring drops into the 300 volt range and commercial, industrial, drops into the 600 volt range.
What gauge wire is required for 25 amps over 100 ft at 240 volts?
10 AWG copper.
Does 50 amps rated at 240 volts equal 100 amps rated at 120 volts?
When you multiply amps x volts the product is watts. Using this formula W = Amps x Volts should give you your answer.
What gauge of wire is needed for a baseboard heater 1000 watt 240 Volt 4.2 Amp?
I would use #12. THHN #12 is rated for 30 amps. <<>> The minimum size wire that you can use, to save overhead costs, is #14 wire which is rated at 15 amps. Home wiring cable has a rating of 300 volts. Also the above answer is wrong, #12 is only rated at 20 amps. If you have doubts about an answer check out the answerer's bio by clicking on their name.
How many amps can 8 gauge carry?
A #8 copper wire with an insulation rating of 90 degrees C is rated at 45 amps.
What wire gauge should be used for 9 amp maximum?
#14 copper wire is rated for 15 amps.
What is the max amps for 14 gauge wire at 12 volts?
15 amps
How many amps can 8 gauge wire carry at 120 vac at 25 feet?
A #8 copper wire with an insulation rated at 75 or 90 degrees C is rated at 45 amps.
