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Blueprint Schedules
Lesson 5: Interpreting Blueprint Schedules and Locating Components on the Print
| Question | Answer |
|---|---|
| 1. The IBEW building is located at ? and Gateway Boulevard in Pittsburgh, Pa. | Carson Street - E1.1 |
| 2. What is the name of the city electrical utility company designated as D.L. on the prints? | Duquesne Light Company - E1.1 |
| 3. The service duct bank between the D.L. pad mount transformer and the main electrical switchboard consists of ? four-inch conduits. | 9 Four Inch Conduits - E1.1 |
| 4. How deep is the service duct bank measured from finish grade to the top of the concrete encasement that runs between the D.L. pad mount transformer and the main electrical switchboard? | 2' 6" - E1.1 |
| 5. There is/are ? spare conduit(s) in the duct bank between the D.L. pad mount transformer and the main electrical switchboard. | 1 Spare 4" - E1.1 |
| 6. What must the electrician place 12 inches below finish grade and above the duct bank encasement to prevent accidental digging into the electrical service conduits between the D.L. pad mount transformer and the main electrical switchboard? | A detectable marker tape - E1.1 |
| 7. Where should the electrical contractor intercept the existing primary underground electrical conduits? | Adjacent to Gateway Boulevard - E1.1 |
| 8. The main distribution switchboard is located on the first level of the Training Center Building in Room ? . | 129 - AT2.1 |
| 9. What are the length, height, and depth dimensions of the main switchboard? | 11' 6" × 7' 6" × 3' - E5.1 |
| 10. What size main breaker is used on the feed for the office building? | 1,600 A, 3-pole, 480Y/277 V - E5.1 |
| 11. Using E5.1 Riser, how are the transformers supplied from floor to floor in the office building? | Bus duct - E5.1 |
| 12. Fourth floor panelboard DPO4L is ? mounted with mains supplied from the ? . | surface / top - E1.2 |
| 13. Fourth floor panelboard DPO4L is protected by a ? circuit breaker. | 400-A, 3-pole circuit breaker - E1.2 |
| 14. Fourth floor panelboard DPO4L has a voltage rating of ? . | 208/120 V, 3-phase, 4-wire - E1.2 |
| 15. Lighting fixture Type S3 is shown on Floor Plans EO2.1 (1 of 4) and EO2.1 (2 of 4), located on the first level of the office building. The Type S3 uses a ? lamp and ballast. | 175-W metal halide 277-V - E1.3 |
| 16. Lighting fixture Type S3 is shown on Floor Plans E02.1 (1 of 4) and E02.1 (2 of 4), located on the first level of the office building. The S3 light fixture (luminaire) is ? mounted and measures ? deep. | recessed / 14" × 14" × 8" - E1.3 |
| 17. How are the Q1 light fixtures mounted? | Surface wall - E1.3 |
| 18. Why are the Type O3 lighting fixtures shown on Sheets E02.1 (1 of 4) and (2 of 4) darkened? | The fixtures are supplied by the normal/emergency system. |
| 19. What specific lighting control method is used for the Type W2 exterior light fixtures located outside and attached to the first floor of the office building? Use all four E02.1 drawings to answer the question. | Photocell on and preset timer off |
| 20. On the E03.1 plan, how many wires are needed to operate the EX103 garage door pushbutton? | 4 |
| 21. The EX107 garage door motor is a 120-volt, single-phase ? motor. | 1/3 hp - EO3.1 (2/4) |
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RealJW
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