What is the largest size circuit breaker or fuse permitted to protect this wire
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Assuming all terminals are rated 75 degrees Celsius, and you have six (6) #10 AWG THHN/THWN conductors in a conduit and the conduit is run inside an office building, What is the largest size circuit breaker or fuse permitted to protect this wire?
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- QUESTION 3 We are running 3 wires and a ground in a RMC to a control panel with a 60 amp circuit breaker disconnect in the control panel. The conduit is run along the ceiling where the ambient air temperature is 100 degrees. The control panel feeds our secondary cooling pump. What size are the ungrounded conductors? All conductors have typeTHHN insulation.We are running 3 wires in an IMC to a control panel with a 150 amp circuit breaker disconnect in the control panel. The conduit is run 12 inches above the roof on a strut rack. The ambient air temperature is 88 degrees. This control panel feeds the #1 cooling fan. What sized ungrounded conductors do we need? All conductors have typeTHHN insulation. A #1 AWG B 100 Kcmil C #1/0 AWG D #10 AWG What sized IMC do we need? A 3/4" B 1 1/4" C 1" D 1 1/2"Multiple Choice. Refers to a point in a circuit where three or more wires are connected. A. Conductor B. Junction C. Loop D. Resistor
- What's the maximum number of 400 kcmil THHN conductors that can be installed in a 6 in. x 6 in. wireway?If the NEC provides a requirement to grounding equipment, it generally implies that there will be a direct connection to Earth of connection through a/an A. Equipment grounding conductor B. Bonding conductor C. Grounding electrode conductor D. Equipotential bonding conductorTwo #12 THW copper conductors and one # 12 grounding conductor are pulled in a 49'-9" run of 3/4"conduit which is available in 10' lengths. How many pieces of conduit are required?
- Most residential general lighting circuits are wired with 14-AWG copper conductors and are protected by 15-amp circuit breakers. However, there are many electricians who install 12-AWG copper conductors and protect them with 20-amp circuit breakers. How will you know which conductor size and which circuit breaker size will be used for the general lighting branch circuits in the house you are wiring?Eighty 16 AWG copper conductors with type THWN-2 insulation are to be run in a conduit. The conduit used in an area that has an ambient temperature of 120 F. What is the maximum ampacity of these conductors?We are running 3 wires and a ground in a RMC to a control panel with a 60 amp circuit breaker disconnect in the control panel. The conduit is run along the ceiling where the ambient air temperature is 100 degrees. The control panel feeds our secondary cooling pump. What size are the ungrounded conductors? All conductors have typeTHHN insulation. A #6 AWG B 600 Kcmil C #8 AWG D #2 AWG What size RMC do we need? A 3" B 3/4" C 1" D 1 1/2"
- QUESTION 11 What is the minimum sized IMC conduit we should use for the above wire run if it is over 24 inches long? a 1/2" b 3/4" c 1" d 1 1/4"13. Which of the following is a method for identifying a grounding terminal for connecting an equipmentgrounding conductor to a device?A. The letters EGCB. A green octagonal nutC. A red pressure wire connectorD. A green screw with a hexagon head1. A14/2 type copper used for a general lighting branch circuit. Ampacity:______________ Maximum Fuse or Circuit Breakers Sizes:________________ 2.Three 8 AWG copper conductors with THHN insulation Installed in garage in electrical metallic tubing (EMT). The ambient temperature in the garage can reach as high as 110'F. All termination points for this circuit are rated 60'C. Ampacity:______________ Maximum Fuse or Circuit Breakers Sizes:________________ 3.Four 4 AWG copper conductor with THWN insulation imstalled in EMT in a basement. All termination points are rated at 60'C. Ampacity:______________ Maximum Fuse or Circuit Breakers Sizes:________________ 4. An 8/3 Type UF copper cable installed underground from a house to a detached garage to feed a 120/240-volt subpanel. All termination points are rated at 60'C.…