COSC 325 Houston (Electrical)

COSC 325 HOUSTON
(ELECTRICAL)
[Document subtitle]




[DATE]
[COMPANY NAME]
[Company address]

,Certainly! Here are your questions numbered along with their answers:



1. What does OH stand for?

**Overhead electrical**



2. What does UG stand for?

**Underground electrical**



3. What is the common residential electrical service amperage?

**200A**



4. What is the common commercial electrical service amperage?

**400A+**



5. What does LOTO stand for?

**Lock Out Tag Out**



6. What is the whole electrical system?

**1. Generation (power plant)

2. Step up station

3. Transmission lines (big power line towers)

4. Substations

5. Distribution Lines (OH or UG line)

6. Weather Head

7. Meter

8. Distribution Panel

9. End use**

, 7. What do substations do?

**Step voltage down to distribution voltage**



8. What are the two types of XFMR?

**Overhead XFMR and Pad mount XFMR**



9. What does OH1 stand for?

**Overhead Primary**



10. What is the voltage in OH1 lines?

**12,000 volts**



11. What does OH2 stand for?

**Overhead Secondary**



12. What is a transform similar to?

**Regulator**



13. Saying for electrical wiring?

**Higher voltage is a smaller wire, The lower voltage is a bigger wire**



14. What is a 3-phase service?

**A power pole with three OH1, three XFMR, and three OH2**



15. What do XFMR do?

**They step down electricity**



16. What are the large black wires that are low on the pole?