If necessary, a new wire can be run from one outlet to the next in a series. Do not exert more than 25 pounds of pulling tension on 4-pair cables. Larger capacity cables should be pulled as per the manufacturer's directions. Do not run cables in parallel with power wiring. Lightning System Lightning rods and wires 6 feet Do not bend cable sharply or nick the protective sheath over the insulated wires.
Polarity reversal causes problems with some information outlets.
To provide compatibility with two-line telephones, wire up the two inner pairs of a jack. If conduit is installed, always leave a pull cord in to facilitate running new wire. Never run power in the same conduit with telecommunications cable. Only low-voltage monitor and control lines may share conduit with telecommunications. Avoid undercarpet runs if possible, as they are inherently more susceptible to damage, particularly in residences.