This week's drill was about speed. This is the test. Five questions. Clean book: no tabs, no notes, only the index and table of contents. Timer on, 90 seconds per question. If you can't find it by 90, pick your best answer and move on. That's exam rules. Q1. What is the maximum spacing between supports for 21 trade size rigid metal conduit? A) 750 mm B) 1.5 m C) 2 m D) 3 m Q2. A free-standing electric range with a calculated demand of 50 A or less goes into a dwelling. Which receptacle is required, and how high can its centre be above the finished floor? A) 14-30R, not more than 450 mm B) 6-50R, not more than 130 mm C) 14-50R, not more than 130 mm D) 14-50R, at 300 mm Q3. Unless the system conductors are smaller, what is the minimum size of a copper grounding conductor? A) No. 6 AWG B) No. 8 AWG C) No. 10 AWG D) No. 4 AWG Q4. Fuses are used as separate overload protection for a motor. What type must they be? A) Fast-acting Class CC B) Semiconductor C) Plug fuses only D) Time-delay Q5. Rooftop HVAC on a commercial building needs a maintenance receptacle. Which set of requirements is right? A) 5-20R, own branch circuit, Class A GFCI, within 7.5 m of the equipment, at least 750 mm above the roof B) Any 5-15R within 15 m, no GFCI C) 5-20R on the lighting circuit, 300 mm above the roof D) 6-20R, weatherproof, within 3 m Post three things below: your answers, your total time, and the one question that ate the most clock. Answers and rule numbers go up Friday. The slowest lookup is your homework for next week, not the one you got wrong. Which one was it?