'American wire gauge' presentation slideshows

Electrical Safety - Construction

1.13k views • 45 slides

Electrical Safety - Construction

538 views • 45 slides

Electrical Safety - Construction

703 views • 45 slides

BASIC TELCOMMUNICATIONS

BASIC TELCOMMUNICATIONS. The first patent for a telegraph was issued in 1840 Voice technology started with the telegraph in 1844 The basic phone was developed in 1876 By 1881 there were 54,000 phones in use. BASIC TELCOMMUNICATIONS.

341 views • 21 slides

PROTECTIVE DEVICES

PROTECTIVE DEVICES. Safety Protective devices - devices designed to automatically limit or shut off the flow of electricity in the event of a ground-fault, over-load or a short circuit in the wiring system . PROTECTIVE DEVICES. Fuses

4.14k views • 9 slides