Table C: Separation and Physical
Protection for Premises Inside Wiring

  Type of Wire Involved Minimum
Separation		 Wire Crossing
Alternatives
Electric Supply Bare light or power 5ft. No Alternative
  Open wiring not over 300 volts 2 in. See Note I
  Wires in conduit, or in armored or nonmetallic sheath cable, or power ground wires None N/A
Radio & Television Antenna lead-in and ground wires 4 in. See Note I
Signal or Control Wires Open wiring or wires in conduit or cable None

N/A
Communication Wires Community television systems coaxial cables with grounded sheilding None N/A
Telephone
Drop Wire

Using fused-protectors

Using fuseless protector or where no protector wiring from transformer

2 in.

None

See Note I

N/A

Sign Neon signs and associated wiring from transformer 6 in. No Alternatives
Lighting System Lightning rods and wires 6 ft. See Wiring Separations
Note I: If minimum separations cannot be obtained, additional protection of a plastic tube, wire guard, or two layers of vinyl tape extending two inches beyond each side of object being crossed must be provided.