RMC 1
RMC 2
RMC 3
Service
Miscellaneous
100
What material is RMC made of
Steel
100
How many degrees of bend can you have between pull points
360 degress
100
What type of thread has to be used to connect couplings?
Standard thread
100
How far above a residential driveway do service lateral have to be?
12 '
100
How far from a box does NM cable has to be supported?
12 "
200
How far does RMC have to be secured form a box?
3 '
200
What article is Rigid Metal Conduit?
Article 344
200
Where can running thread be used?
between boxes and enclosures
200
What is a the largest size copper wire required for a supplemental grounding conductor
6 AWG
200
What is the minimum size service for a single family dwelling
100 amp
300
How far can be secured from the box when structure members don't allow 3 '?
5 '
300
What type of fitting is this
Compression Cupling
300
What is a short piece of conduit called
Nipples
300
What is the minimum height for a drip loop?
10 '
300
What is the difference between IMC and RMC?
IMC is aluminum and RMC is steel
400
What is the support spacing for 1/2" - 3/4"
10 '
400
How far can 1 1/4 " rigid be between supports?
14 '
400
What must be used at threaded terminations to prevent conductors from abrasions?
Bushings
400
How many throws of the hand to disconnect a service?
6
400
How far between supports can NM be supported?
4 1/2 '
500
What is the support spacing for 2 " - 2 1/2 "
16 '
500
How far can a vertical run go before needing to be secured?
20 '
500
How far apart do you need to support 1-1/4" rigid
14 '
500
What type of protections is required for all dwelling unit services?
Whole house surge protection
500
How close to the edge of a stud can NM be staples be used according to Massachusetts code?
3 /4 "