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The branch circuits for a house are listed in Figure 6-2.
What is the total current load for the house?

1. If you cut a piece 106 inches long from a 120-inch board, how many inches are left?
2. From a supply of 2,643 feet of tubing, you use 114 feet. How much tubing is left in the supply?
3. If 145 cubic yards of earth need to be excavated for a house foundation and 70 cubic yards can be used as fill on the site, how much must be disposed of elsewhere?

Figure 6-3 shows a floor plan for a detached garage. What is
the width of wall space A at the front of the garage?

In Figure 6-3, what is the distance from the outside of the
rear wall of the garage to the center of the side door opening, dimension B?

What is the length of missing dimension C at the rear of the garage in Figure 6-3?

1. Working from a 500-foot coil of electrical cable, an
electrician uses 46 feet, 41 feet, 28 feet, 14 feet, 27 feet, and 19 feet. How
much cable remains on the coil?
2. A sling rated for 1,500 pounds is used to hoist a
536-pound air conditioner into place. What is the margin of safety for the
sling?

Find missing dimension A in Figure 6-4.

1. What is the total length of 24 pieces of door casing if
each piece is 7 feet long?
2. If you work 37 hours at $12 per hour, what should your
pay be?
3. If you need to make electrical connections in 27 boxes
and each box requires 3 wire nuts, how many wire nuts do you need?

1. How many fixtures requiring 4 LED lamps each can be
supplied from a case of 24 LED lamps?
2. How many 4-foot pieces can be cut from a 12- foot 2 × 4?
3. If one person can apply 300 square feet of insulation per
hour, how long will it take that person to apply 3,300 square feet of
insulation?