Fitting new cable to the bit before the master phone socket

2»

Comments

  • spiney2spiney2 Posts: 27,058
    Forum Member
    ✭✭✭
    The basic idea of the rj plug is, various approved devices may be connected in parallel to line, as customer desires.Hence, some form of protection is required.

    Under the older system domestic premises were directly hardwired to the junction box, and commercial premises had limited scope plugging arrangements,
Sign In or Register to comment.