when was knob and tube wiring used

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when was knob and tube wiring used	1.93	0.7	8051	11	34
when	1.37	0.9	2941	87	4
was	1.23	0.5	332	9	3
knob	1.4	0.1	3179	56	4
and	1.12	1	8604	80	3
tube	0.94	0.9	4700	47	4
wiring	1.84	0.1	2436	9	6
used	1.14	0.7	5117	78	4

Keyword	CPC	PCC	Volume	Score
when was knob and tube wiring used	0.18	0.8	8971	10
when was knob and tube wiring used in canada	1.35	0.8	2649	38
when was knob and tube wiring last used	1.24	0.3	7818	36
what years were knob and tube wiring used	1.11	1	9106	99
what years was knob and tube wiring used	1.59	0.8	6293	54
when did knob and tube wiring stop being used	0.62	0.7	8744	67
knob and tube wiring when it was used	0.64	0.4	4987	12
how long was knob and tube wiring used	1.31	0.9	680	67
knob and tube wiring was used commonly from	0.73	0.6	2233	100
when did knob and tube wiring start	0.04	0.4	9302	87
knob and tube wiring history	1.06	0.7	4544	100
when was knob and tube used	1.62	0.8	928	51
when did knob and tube wiring end	0.25	0.6	9955	63
when was knob and tube wiring stopped	0.29	0.1	6925	15
when did knob and tube wiring stop	1.2	0.5	6084	49
when was knob and tube wiring discontinued	0.5	0.2	5166	96
knob and tube wiring years	0.08	0.2	6676	6
knob and tube wiring dates	1.93	0.7	5662	45
when was knob and tube stopped	1.96	0.8	8309	59
what replaced knob and tube wiring	1.11	0.3	2447	18
knob and tube wiring explained	1.69	1	5062	16
knob and tube wiring meaning	1.1	0.9	6831	59
when did knob and tube stop	1.9	0.4	876	78
knob and tube wire	1.28	0.4	679	40
tube and knob wiring	1.77	0.1	5331	84
old electrical wiring knob tube	0.9	0.9	2173	18