Fill in the blank and cite applicable 2023 NEC code reference  Using a maximum conductor fill of 40% for a surface metal raceway that measures ½ in. × ¾ in., the maximum allowable cross-sectional area fill is____ sq.  in.

The three bus-bar conductors in an outdoor sub-station are supplied by units of post insulators. Each unit consists of a stack of 3-pin insulators fixed one on the top of the other. The voltage across the lowest insulator is 8-45 kV and that across the next is 7-25 kV. Find the bus-bar voltage of the station.

1. The maximum electrical trade size of intermediate conduit is____________.      a. 125 mm      b. 100 mm      c. 24 mm      d. 12 mm

3. The three bus-bar conductors in an outdoor sub-station are supplied by units ofpost insulators. Each unit consists of a stack of 3-pin insulators fixed one on the top of the other. The voltage across the lowest insulator is 8-45 kV and that across the next is 7-25 kV. Find the bus-bar voltage of the station. [38-8 kV]

- Loads, Service, and Overcurrent Protection 6.a. The general lighting load is based on a _______ per square foot basis.A. kilowattB. number of circuitsC. volt-ampereD. general illumination6.b. What's the primary disadvantage of using copper conductors?A. AvailabilityB. WeightC. CostD. Durability

The following problems refer to grounding requirements. Give the source of yourresponses.  1. What is the minimum size copper grounding electrode conductor for a service withthree sets of parallel 350 kcmil conductors (three conductors per phase)?

The largest size solid Conductor generally permitted to be installed in a raceway is (10AWG)/(8AWG)/(6AWG)

The materials which behave like perfect insulators at low temperatures & at higher temperatures, they behave like a good conductors are termed as __________.

What is the minimum trade size PVC conduit to contain 201 #12AWG TW75 Copper conductors.

2.a. What's defined as an assembly consisting of a service raceway, guy wires or braces, service head, andany fittings necessary for the termination and support of overhead service conductors?A. Drip loopB. Service lateralC. Service dropD. Service mast 2.b. What's likely to happen when connected parallel conductors are different lengths?A. An NEC violationB. Misidentification of conductor cablesC. An uneven distribution of currentD. Conductor termination