Wiring Diagram Symbols Circuit Breaker

Basics 10 480 v pump schematic.

Wiring diagram symbols circuit breaker. The diagram symbols in table 1 are used by square d and where applicable conform to nema national electrical manufacturers a ssociation standards. Disconnect circuit interrupter circuit breakers w thermal ol circuit breakers w magnetic ol limit switches foot switches pressure vacuum switches liquid level switches temperature actuated. Aug 8 2016 clear easy to read wiring diagrams and instructions for household circuit breakers including. It operates on the temperature rather than the current unless the current is sufficient to increase the temperature above the threshold point.

A breaker panel box 15amp 20amp 30amp 50amp and gfci breakers. The symbol for a thermal fuse used in any electrical circuit diagram. Wiring a gfci circuit breaker. These electrical and electronic circuit symbols are generally used for drawing schematic diagram.

Basics 13 valve limit switch legend. Notice that the wiring diagram figure 11 uses both pictorial representations and schematic symbols. Basics 7 4 16 kv 3 line diagram. This diagram illustrates wiring for a circuit breaker with a built in ground fault circuit interrupter or gfci.

Basics 11 mov schematic with block included basics 12 12 208 vac panel diagram. The purpose of this document is to provide a simple cross reference of common schematic wiring diagram symbols used throughout various parts of the world. Electrician circuit drawings and wiring diagrams youth explore trades skills 3 pictorial diagram. Figure 10 comparison of an electrical schematic and a wiring diagram.

A thermal fuse is a temperature sensitive switch. Basics 8 aov elementary block diagram. Circuit breakers symbols for use in electrical pneumatic and hydraulic schematic diagrams. A diagram that represents the elements of a system using abstract graphic drawings or realistic pictures.

The schematic figure 12 drops all pictorial representations and depicts the electrical system only in symbols. This 20 amp 120 volt breaker is a form of gfci that can be installed at the circuit source. The following tables describe the device and show the symbol by area of usage. Basics 14 aov schematic with block included basics 15 wiring or connection.

There are several other electrical wiring symbols used in residential and commercial wiring but the above list of symbols are the important ones. Figure 11 wiring diagram of a car s electrical circuit. This kind of circuit is used for dishwashers whirlpool spas and other locations where water contact is likely.