Regl. 5293, art. 310-11-300
Resolución 2535: adopta el Código Eléctrico Nacional, versión 1993. (Sustituye el Anejo A del Reglamento 4435)
Cite as Reglamento Núm. 5293, Art. 310-11-300
330-3. Uses Permitted. Type MI cable shall be permitted as follows: (1)
for services, feeders, and branch circuits; (2) for power, lighting, control,
and signal circuits; (3) in dry, wet, or continuously moist locations; (4)
indoors or outdoors; (5) where exposed or concealed; (6) embedded in
plaster, concrete, fill, or other masonry, whether above or below grade; (7)
in any hazardous (classified) location; (8) where exposed to oil and gasoline; (9) where exposed to corrosive conditions not deteriorating to its
sheath; (10) in underground runs where suitably protected against physical
damage and corrosive conditions.
330-4. Uses Not Permitted. Type MI cable shall not be used where
exposed to destructive corrosive conditions.
Exception: Where protected by materials suitable for the conditions.
B. Installation
330-10. Wet Locations. Where installed in wet locations, Type MI cable
shall comply with Section 300-6(c).
330-11. Through Joists, Studs, or Rafters. Type MI cable shall comply
with Section 300-4 where installed through studs, joists, rafters, or similar
wood members.
330-12. Supports. " Type MI cable shall be securely supported at intervals
not exceeding 6 feet (1.83 m) by straps, staples, hangers, or similar fittings
so designed and installed as not to damage the cable.
Exception: Where cable is fished in.
330-13. Bends. Bends in Type MI cable shall be so made as not to damage the cable. The radius of the inner edge of any bend shall not be less
than shown below.
(1) Five times the external diameter of the metallic sheath for cable not
more than 3/4 inch (19 mm) in external diameter.