Chapter 19.1, Problem 21R

Fill in the data for a 16-ampere electric motor, single-phase, no Code letters.

1. a. Branch-circuit protection, non-time-delay fuses:

   Normal size _____________A    Maximum size _____________A

   Switch size _____________A    Switch size _____________A

2. b. Branch-circuit protection dual-element, time-delay fuses:

   Normal size _____________A    Maximum size _____________A

   Switch size _____________A    Switch size _____________A

3. c. Branch-circuit protection instant-trip breaker:

   Normal setting _____________A

   Maximum setting _____________A

4. d. Branch-circuit protection—inverse time breaker:

   Normal rating _____________A

   Maximum rating _____________A

5. e. Branch-circuit conductor size, Type THHN

   Ampacity _____________A

6. f. Motor overload protection using dual-element time-delay fuses:

   Maximum size _____________A