Contents

Template:NFPA 704 diamond

This template produces a NFPA 704 safety square with optionally four hazard codes. It is designed to be used in a table.

Primary use is through {{Chembox}}, the {{NFPA 704}} box and {{OrganicBox complete}} (chemical data pages).

When used stand-alone (outside of a table), consider the {{NFPA 704}} box.

{{NFPA 704 diamond
 | H          =
 | F          =
 | I          =
 | S          =
 | ref        =
 | showimage  =
 | background =
}}

 
Health code, 0-4 or - (hyphen for blank)
Flammability code
Instability (reactivity) code ("R=" is also allowed)
Special code W, OX, W+OX, ..., or - (hyphen for blank)
References. Add the <ref> ... </ref> tags.
Set =no to show text instead ('RA' only. Default: =yes, show image)
background color (e.g., =yellow or =#ff7623)
}}

Main rule: if the quarter must be blank, input is the hyphen, -. Do not depend on default behavior in this situation.

for |H=, |F=, |I=
=0	=1	=2	=3	=4	=- (hyphen)
0 0 0	1 1 1	2 2 2	3 3 3	4 4 4

A blank can be set (enforced) by entering =-, a hyphen. This is the preferred way to reflect what the source states (don't depend on the default blank in this situation).

= <blank>

All four codes default to blank, that is: no NFPA code is present or shown. There is no specific text (just a link to the NFPA color section). Note that a blank is not the same as code "0". Code "0" is an explicit statement, while a blank is the absence of any statement.

A blank can also be enforced by entering =- (hyphen). This is the preferred way to reflect what the source states (do not depend on default).

From the input, spaces and even newlines (all whitespace) are treated as blank. Note that =  code produces an error, but entering the nbsp character (>= <) is accepted as a space (blank).

|S=W	|S=OX	|S=W+OX	|S=SA	|S=- (hyphen)
W	OX	W OX	SA
|S=ACID	|S=ALK	|S=BIO	|S=COR	|S=CRYO
ACID	ALK	BIO	COR	CRYO
|S=RA |showimage=<default>	|S=RA |showimage=yes	|S=RA |showimage=no
		RA

For W enter |S=W.

For WOX enter |S=W+OX, |S=W OXor|S=WOX.

The "Special" quarter is sometimes called "Other".

The diamond template checks for unknown codes.

=abc	= 	=abc |cat=no
H=abc NFPA code error. F=klm NFPA code error. I=pqr NFPA code error. S=XYZ NFPA code error.	H=  NFPA code error. F=  NFPA code error. I=  NFPA code error. S=  NFPA code error.

Articles with unknown codes are listed for maintenance (correction) in Category:Articles with unknown NFPA 704 code (0). Other pages (like this documentation) are not categorized, but have a message instead. This categorizing can be switched off by setting |cat=no

Note that =  code produces an error, but entering the nbsp character (= ) is accepted as a space (blank).

References can be added using |ref=.

|ref=<ref>{{cite web|url=http://chemlabs.uoregon.edu/Safety/NFPA_White.html|title=More on white codes}}</ref>

[1] 2 2 2

The <ref> ... </ref> tags should be added. Multiple references can be entered. Depending on cell width, the links show above or next to the diamond. While technically possible to enter plain text, this is not supported (and this could be disallowed in the future).

[2]

[3] RA

[4] OX

[5][6][7] OX

[8] 2 2 2

[9] 0 0 0

[9] 1 1 1

"some title". 2 2 2

[10][11][12] 4 4 4

Option |background=green. Default is transparent.

[13] 2 2 2

Colors used

Better not to use RGB colors named blue, red, yellow, because these produce a bad contrast with the text.

• Is there an ENGVAR-like switch needed, eg for the order of °C - °F temperatures? (Currently, °C is first)
• For documentation, could use a diamond with the four letters in the quadrants.
• The non-standard S (on white) codes should be complete, and maybe listed for attention.

• Category:Articles with unknown NFPA 704 code (0)

• File:NFPA 704.svg -- The background diamond image
• {{NFPA 704}} -- in a stand alone box
• {{NFPA 704 diamond/text}}

The references are from the demos in this documentation.