when did knob and tube wiring stop

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when did knob and tube wiring stop	0.02	0.9	5457	40	34
when	1.36	0.4	6243	23	4
did	0.88	0.5	558	59	3
knob	1.12	0.3	8449	51	4
and	0.39	1	4621	51	3
tube	1.01	0.8	6815	10	4
wiring	0.74	0.6	620	47	6
stop	0.91	0.2	6569	6	4

Keyword	CPC	PCC	Volume	Score
when did knob and tube wiring stop	0.09	0.1	1709	76
when did they stop using knob and tube wiring	1.17	0.7	500	97
what year was knob and tube wiring stopped	0.12	0.8	3874	64
when did knob and tube wiring stop being used	0.74	1	5656	58
when was knob and tube wiring stopped	0.92	1	9972	38
when did we stop using knob and tube wiring	0.5	1	4520	93
when did they stop using knob & tube wiring	1.17	0.8	2310	15
when did knob and tube stop	1.34	0.5	7975	1
when did knob and tube wiring start	0.51	0.3	4693	1
when was knob and tube stopped	1.73	0.1	7306	80
when was knob and tube wiring used	0.59	0.8	1630	45
knob and tube wiring history	0.35	0.6	7176	4
when was knob and tube discontinued	0.29	0.5	8139	1
knob and tube wiring years	1.36	0.7	8734	92
what replaced knob and tube wiring	1.93	0.5	6323	56
knob and tube wiring dates	1.42	0.2	6043	65
when was knob and tube used	1.51	0.4	8988	99
should knob and tube wiring be replaced	1.59	1	157	53
knob and tube wiring issues	1.06	0.7	3251	25
knob and tube wiring problems	0.17	0.4	9623	42
old electrical wiring knob tube	1.11	0.4	8259	69
what replaced knob and tube	1.68	0.8	2151	18
knob and tube wiring removal	0.31	0.9	556	49
how to remove knob and tube wiring	0.7	0.1	7254	14
tube and knob wiring replacement	0.96	0.3	6036	26