when was knob and tube wiring last used

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when was knob and tube wiring last used	1.91	0.4	2587	52	39
when	0.74	0.4	2247	65	4
was	0.77	0.1	3932	6	3
knob	0.26	0.5	737	20	4
and	0.64	0.8	1352	27	3
tube	0.31	0.4	5892	43	4
wiring	0.25	0.6	7667	92	6
last	1.13	0.8	476	44	4
used	1.92	0.7	5802	33	4

Keyword	CPC	PCC	Volume	Score
when was knob and tube wiring last used	1.64	0.8	6943	54
when was knob and tube wiring used	0.46	0.5	4628	26
when was knob and tube wiring discontinued	0.29	0.4	1318	96
when was knob and tube wiring stopped	1.29	0.6	5298	41
when did knob and tube wiring stop	1.45	0.5	9942	87
when did knob and tube wiring start	0.46	0.5	4328	5
knob and tube wiring years	1.19	0.2	6070	34
when was knob and tube stopped	0.46	0.7	5421	39
when was knob and tube used	0.67	0.9	1971	48
knob and tube wiring history	1.26	0.1	9762	73
when was knob and tube discontinued	1.98	0.1	1793	11
when did knob and tube stop	0.3	0.7	5111	48
what replaced knob and tube wiring	0.22	0.3	7678	3
knob and tube wiring dates	1.08	0.1	8624	33
should knob and tube wiring be replaced	0.52	0.5	7729	94
what replaced knob and tube	0.64	1	3091	80
old electrical wiring knob tube	1.08	0.1	7083	63
old electrical knob and tube	1.74	1	9774	84
is knob and tube wiring legal	1.07	0.3	8943	50
tube and knob wiring replacement	1.1	0.2	6388	66
electrical knob and tube replacement	1.16	0.8	4820	76