Keyword Analysis & Research: knob and tube wiring when was it used

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
knob and tube wiring when was it used	1.05	0.7	1859	62	37
knob	1.16	0.8	666	31	4
and	1.52	0.4	9982	43	3
tube	0.13	0.2	7748	100	4
wiring	0.35	0.7	4073	1	6
when	0.63	0.4	5754	59	4
was	0.64	0.9	6614	62	3
it	1.69	0.3	8517	92	2
used	0.37	1	3907	31	4

Keyword	CPC	PCC	Volume	Score
when was knob and tube wiring used	1.45	0.5	8831	38
knob and tube wiring when it was used	0.55	0.2	348	13
what years were knob and tube wiring used	0.74	0.9	2380	5
what years was knob and tube wiring used	0.33	0.5	9170	31
when did knob and tube wiring stop being used	0.78	0.6	1904	18
when was knob and tube wiring last used	1.56	0.6	7342	90
how long was knob and tube wiring used	0.81	1	3115	18
when was knob and tube wiring used in canada	1.45	0.2	2260	80
knob and tube wiring was used commonly from	0.35	0.6	1291	74